231123312113331 has 32 divisors (see below), whose sum is σ = 365575014885888. Its totient is φ = 128271935024640.

The previous prime is 231123312113327. The next prime is 231123312113341. The reversal of 231123312113331 is 133311213321132.

It is not a de Polignac number, because 231123312113331 - 2² = 231123312113327 is a prime.

It is a super-2 number, since 2×231123312113331² (a number of 30 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (231123312113321) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 5567337535 + ... + 5567379048.

It is an arithmetic number, because the mean of its divisors is an integer number (11424219215184).

Almost surely, 2^{231123312113331} is an apocalyptic number.

231123312113331 is a deficient number, since it is larger than the sum of its proper divisors (134451702772557).

231123312113331 is a wasteful number, since it uses less digits than its factorization.

231123312113331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11134716651.

The product of its digits is 5832, while the sum is 30.

Adding to 231123312113331 its reverse (133311213321132), we get a palindrome (364434525434463).

The spelling of 231123312113331 in words is "two hundred thirty-one trillion, one hundred twenty-three billion, three hundred twelve million, one hundred thirteen thousand, three hundred thirty-one".