231533535403051 has 16 divisors (see below), whose sum is σ = 284221004032000. Its totient is φ = 188012194156584.

The previous prime is 231533535403019. The next prime is 231533535403073. The reversal of 231533535403051 is 150304535335132.

It is a happy number.

It is not a de Polignac number, because 231533535403051 - 2⁵ = 231533535403019 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 231533535402989 and 231533535403007.

It is not an unprimeable number, because it can be changed into a prime (231533535403091) 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, 17763806235 + ... + 17763819268.

It is an arithmetic number, because the mean of its divisors is an integer number (17763812752000).

Almost surely, 2^{231533535403051} is an apocalyptic number.

231533535403051 is a deficient number, since it is larger than the sum of its proper divisors (52687468628949).

231533535403051 is an equidigital number, since it uses as much as digits as its factorization.

231533535403051 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35527625543 (or 35527625529 counting only the distinct ones).

The product of its (nonzero) digits is 1215000, while the sum is 43.

The spelling of 231533535403051 in words is "two hundred thirty-one trillion, five hundred thirty-three billion, five hundred thirty-five million, four hundred three thousand, fifty-one".