231995965704 has 64 divisors (see below), whose sum is σ = 614803400640. Its totient is φ = 72700508160.

The previous prime is 231995965703. The next prime is 231995965717. The reversal of 231995965704 is 407569599132.

It is not an unprimeable number, because it can be changed into a prime (231995965703) 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, 38284 + ... + 682244.

It is an arithmetic number, because the mean of its divisors is an integer number (9606303135).

Almost surely, 2^231995965704 is an apocalyptic number.

231995965704 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 231995965704, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (307401700320).

231995965704 is an abundant number, since it is smaller than the sum of its proper divisors (382807434936).

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

231995965704 is a wasteful number, since it uses less digits than its factorization.

231995965704 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 644870 (or 644866 counting only the distinct ones).

The product of its (nonzero) digits is 18370800, while the sum is 60.

The spelling of 231995965704 in words is "two hundred thirty-one billion, nine hundred ninety-five million, nine hundred sixty-five thousand, seven hundred four".