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1030111212311 = 4433334369739
BaseRepresentation
bin11101111110101110110…
…10011011001100010111
310122110220012222111110122
432333113122123030113
5113334131432243221
62105120534142155
7134265054556016
oct16772732331427
93573805874418
101030111212311
1136795aa19425
121477861b195b
13761a66cba2c
1437c01560a7d
151bbe000beab
hexefd769b317

1030111212311 has 8 divisors (see below), whose sum is σ = 1032482288640. Its totient is φ = 1027740343032.

The previous prime is 1030111212287. The next prime is 1030111212313. The reversal of 1030111212311 is 1132121110301.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-1030111212311 is a prime.

It is a super-2 number, since 2×10301112123112 (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1030111212311.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1030111212313) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14736080 + ... + 14805818.

It is an arithmetic number, because the mean of its divisors is an integer number (129060286080).

Almost surely, 21030111212311 is an apocalyptic number.

1030111212311 is a deficient number, since it is larger than the sum of its proper divisors (2371076329).

1030111212311 is an equidigital number, since it uses as much as digits as its factorization.

1030111212311 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 103525.

The product of its (nonzero) digits is 36, while the sum is 17.

Adding to 1030111212311 its reverse (1132121110301), we get a palindrome (2162232322612).

The spelling of 1030111212311 in words is "one trillion, thirty billion, one hundred eleven million, two hundred twelve thousand, three hundred eleven".

Divisors: 1 443 33343 69739 14770949 30894377 2325307477 1030111212311