231013302345 has 128 divisors (see below), whose sum is σ = 499057459200. Its totient is φ = 98976439296.

The previous prime is 231013302323. The next prime is 231013302353. The reversal of 231013302345 is 543203310132.

231013302345 is a `hidden beast` number, since 2 + 3 + 1 + 0 + 13 + 302 + 345 = 666.

It is not a de Polignac number, because 231013302345 - 2¹³ = 231013294153 is a prime.

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

It is an unprimeable number.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 3809452 + ... + 3869618.

It is an arithmetic number, because the mean of its divisors is an integer number (3898886400).

Almost surely, 2^231013302345 is an apocalyptic number.

It is an amenable number.

231013302345 is an abundant number, since it is smaller than the sum of its proper divisors (268044156855).

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

231013302345 is a wasteful number, since it uses less digits than its factorization.

231013302345 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 60444 (or 60438 counting only the distinct ones).

The product of its (nonzero) digits is 6480, while the sum is 27.

Adding to 231013302345 its reverse (543203310132), we get a palindrome (774216612477).

The spelling of 231013302345 in words is "two hundred thirty-one billion, thirteen million, three hundred two thousand, three hundred forty-five".