231610115043 has 16 divisors (see below), whose sum is σ = 352399776160. Its totient is φ = 150233587488.

The previous prime is 231610115017. The next prime is 231610115071. The reversal of 231610115043 is 340511016132.

It is a happy number.

231610115043 is a `hidden beast` number, since 2 + 3 + 1 + 610 + 1 + 1 + 5 + 0 + 43 = 666.

It is not a de Polignac number, because 231610115043 - 2²⁰ = 231609066467 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 231610114998 and 231610115016.

It is not an unprimeable number, because it can be changed into a prime (231610165043) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 115919980 + ... + 115921977.

It is an arithmetic number, because the mean of its divisors is an integer number (22024986010).

Almost surely, 2^231610115043 is an apocalyptic number.

231610115043 is a deficient number, since it is larger than the sum of its proper divisors (120789661117).

231610115043 is a wasteful number, since it uses less digits than its factorization.

231610115043 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 231842003 (or 231841997 counting only the distinct ones).

The product of its (nonzero) digits is 2160, while the sum is 27.

The spelling of 231610115043 in words is "two hundred thirty-one billion, six hundred ten million, one hundred fifteen thousand, forty-three".