231293293231 has 32 divisors (see below), whose sum is σ = 315811238400. Its totient is φ = 163545022080.

The previous prime is 231293293201. The next prime is 231293293247. The reversal of 231293293231 is 132392392132.

It is not a de Polignac number, because 231293293231 - 2³¹ = 229145809583 is a prime.

It is a super-2 number, since 2×231293293231² (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 (231293293201) 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, 1899096 + ... + 2017213.

It is an arithmetic number, because the mean of its divisors is an integer number (9869101200).

Almost surely, 2^231293293231 is an apocalyptic number.

231293293231 is a deficient number, since it is larger than the sum of its proper divisors (84517945169).

231293293231 is a wasteful number, since it uses less digits than its factorization.

231293293231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3916399.

The product of its digits is 104976, while the sum is 40.

The spelling of 231293293231 in words is "two hundred thirty-one billion, two hundred ninety-three million, two hundred ninety-three thousand, two hundred thirty-one".