231355002399 has 32 divisors (see below), whose sum is σ = 317383038720. Its totient is φ = 149823303168.

The previous prime is 231355002397. The next prime is 231355002419. The reversal of 231355002399 is 993200553132.

It is not a de Polignac number, because 231355002399 - 2¹ = 231355002397 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 231355002399.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (231355002391) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 20572072 + ... + 20583314.

It is an arithmetic number, because the mean of its divisors is an integer number (9918219960).

Almost surely, 2^231355002399 is an apocalyptic number.

231355002399 is a deficient number, since it is larger than the sum of its proper divisors (86028036321).

231355002399 is a wasteful number, since it uses less digits than its factorization.

231355002399 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12151.

The product of its (nonzero) digits is 218700, while the sum is 42.

The spelling of 231355002399 in words is "two hundred thirty-one billion, three hundred fifty-five million, two thousand, three hundred ninety-nine".