231043869720 has 128 divisors (see below), whose sum is σ = 803630937600. Its totient is φ = 58932922752.

The previous prime is 231043869709. The next prime is 231043869731. The reversal of 231043869720 is 27968340132.

231043869720 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (231043869709) and next prime (231043869731).

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 4625802 + ... + 4675481.

It is an arithmetic number, because the mean of its divisors is an integer number (6278366700).

Almost surely, 2^231043869720 is an apocalyptic number.

231043869720 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

231043869720 is an abundant number, since it is smaller than the sum of its proper divisors (572587067880).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

231043869720 is a wasteful number, since it uses less digits than its factorization.

231043869720 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9301326 (or 9301316 counting only the distinct ones).

The product of its (nonzero) digits is 435456, while the sum is 45.

The spelling of 231043869720 in words is "two hundred thirty-one billion, forty-three million, eight hundred sixty-nine thousand, seven hundred twenty".