231122013031 has 8 divisors (see below), whose sum is σ = 284457862304. Its totient is φ = 182865768480.

The previous prime is 231122013011. The next prime is 231122013077. The reversal of 231122013031 is 130310221132.

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 231122013031 - 2⁷ = 231122012903 is a prime.

It is a super-2 number, since 2×231122013031² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (231122013011) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1269901080 + ... + 1269901261.

It is an arithmetic number, because the mean of its divisors is an integer number (35557232788).

Almost surely, 2^231122013031 is an apocalyptic number.

231122013031 is a deficient number, since it is larger than the sum of its proper divisors (53335849273).

231122013031 is a wasteful number, since it uses less digits than its factorization.

231122013031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2539802361.

The product of its (nonzero) digits is 216, while the sum is 19.

Adding to 231122013031 its reverse (130310221132), we get a palindrome (361432234163).

The spelling of 231122013031 in words is "two hundred thirty-one billion, one hundred twenty-two million, thirteen thousand, thirty-one".