231703074040 has 32 divisors (see below), whose sum is σ = 521444281680. Its totient is φ = 92661253632.

The previous prime is 231703073993. The next prime is 231703074107. The reversal of 231703074040 is 40470307132.

It is a junction number, because it is equal to n+sod(n) for n = 231703073993 and 231703074011.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 435642 + ... + 808201.

Almost surely, 2^231703074040 is an apocalyptic number.

231703074040 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

231703074040 is an abundant number, since it is smaller than the sum of its proper divisors (289741207640).

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

231703074040 is a wasteful number, since it uses less digits than its factorization.

231703074040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1248511 (or 1248507 counting only the distinct ones).

The product of its (nonzero) digits is 14112, while the sum is 31.

The spelling of 231703074040 in words is "two hundred thirty-one billion, seven hundred three million, seventy-four thousand, forty".