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12311102030031 = 35767108023393
BaseRepresentation
bin1011001100100110011011…
…0111010000000011001111
31121120221002212102200200000
42303021212313100003033
53103201114104430111
642103350414135343
72410306404436350
oct263114667200317
947527085380600
1012311102030031
113a17122167632
121469b831b1553
136b3c1661a61c
14307c0938dd27
151653900c4c56
hexb3266dd00cf

12311102030031 has 48 divisors (see below), whose sum is σ = 21390360386304. Its totient is φ = 6929916643584.

The previous prime is 12311102030021. The next prime is 12311102030047. The reversal of 12311102030031 is 13003020111321.

12311102030031 is a `hidden beast` number, since 1 + 2 + 311 + 1 + 0 + 20 + 300 + 31 = 666.

12311102030031 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 12311102030031 - 27 = 12311102029903 is a prime.

It is a super-2 number, since 2×123111020300312 (a number of 27 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 12311102029986 and 12311102030013.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12311102030021) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 53897730 + ... + 54125663.

It is an arithmetic number, because the mean of its divisors is an integer number (445632508048).

Almost surely, 212311102030031 is an apocalyptic number.

12311102030031 is a deficient number, since it is larger than the sum of its proper divisors (9079258356273).

12311102030031 is an equidigital number, since it uses as much as digits as its factorization.

12311102030031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 108023482 (or 108023470 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 18.

Adding to 12311102030031 its reverse (13003020111321), we get a palindrome (25314122141352).

The spelling of 12311102030031 in words is "twelve trillion, three hundred eleven billion, one hundred two million, thirty thousand, thirty-one".

Divisors: 1 3 7 9 21 27 63 67 81 189 201 243 469 567 603 1407 1701 1809 4221 5427 12663 16281 37989 113967 108023393 324070179 756163751 972210537 2268491253 2916631611 6805473759 7237567331 8749894833 20416421277 21712701993 26249684499 50662971317 61249263831 65138105979 151988913951 183747791493 195414317937 455966741853 586242953811 1367900225559 1758728861433 4103700676677 12311102030031