231313301000 has 32 divisors (see below), whose sum is σ = 541273126680. Its totient is φ = 92525320000.

The previous prime is 231313300993. The next prime is 231313301033. The reversal of 231313301000 is 103313132.

It can be written as a sum of positive squares in 4 ways, for example, as 12276196804 + 219037104196 = 110798^2 + 468014^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 231313301000.

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, 115655651 + ... + 115657650.

Almost surely, 2^231313301000 is an apocalyptic number.

231313301000 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

231313301000 is an abundant number, since it is smaller than the sum of its proper divisors (309959825680).

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

231313301000 is a wasteful number, since it uses less digits than its factorization.

231313301000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 231313322 (or 231313308 counting only the distinct ones).

The product of its (nonzero) digits is 162, while the sum is 17.

Adding to 231313301000 its reverse (103313132), we get a palindrome (231416614132).

The spelling of 231313301000 in words is "two hundred thirty-one billion, three hundred thirteen million, three hundred one thousand".