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31023010323331 = 1323103755887369
BaseRepresentation
bin1110000110111000110111…
…00000101001101110000011
311001211202210221002201111121
413003130123200221232003
513031240111120321311
6145551435120453111
76351224054562055
oct703343340515603
9131752727081447
1031023010323331
11998086a617494
12359057347a197
1314405c396ca10
1479374380b8d5
1538bea66ddb71
hex1c371b829b83

31023010323331 has 8 divisors (see below), whose sum is σ = 34861978156320. Its totient is φ = 27391554265152.

The previous prime is 31023010323329. The next prime is 31023010323337. The reversal of 31023010323331 is 13332301032013.

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

It is a cyclic number.

It is not a de Polignac number, because 31023010323331 - 21 = 31023010323329 is a prime.

It is a super-2 number, since 2×310230103233312 (a number of 28 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 31023010323296 and 31023010323305.

It is not an unprimeable number, because it can be changed into a prime (31023010323337) 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, 51877943386 + ... + 51877943983.

It is an arithmetic number, because the mean of its divisors is an integer number (4357747269540).

Almost surely, 231023010323331 is an apocalyptic number.

31023010323331 is a deficient number, since it is larger than the sum of its proper divisors (3838967832989).

31023010323331 is a wasteful number, since it uses less digits than its factorization.

31023010323331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 103755887405.

The product of its (nonzero) digits is 2916, while the sum is 25.

Adding to 31023010323331 its reverse (13332301032013), we get a palindrome (44355311355344).

The spelling of 31023010323331 in words is "thirty-one trillion, twenty-three billion, ten million, three hundred twenty-three thousand, three hundred thirty-one".

Divisors: 1 13 23 299 103755887369 1348826535797 2386385409487 31023010323331