231978525315 has 8 divisors (see below), whose sum is σ = 371165640528. Its totient is φ = 123721880160.

The previous prime is 231978525281. The next prime is 231978525341. The reversal of 231978525315 is 513525879132.

231978525315 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 231978525315 - 2¹³ = 231978517123 is a prime.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7732617496 + ... + 7732617525.

It is an arithmetic number, because the mean of its divisors is an integer number (46395705066).

Almost surely, 2^231978525315 is an apocalyptic number.

231978525315 is a deficient number, since it is larger than the sum of its proper divisors (139187115213).

231978525315 is a wasteful number, since it uses less digits than its factorization.

231978525315 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15465235029.

The product of its digits is 2268000, while the sum is 51.

The spelling of 231978525315 in words is "two hundred thirty-one billion, nine hundred seventy-eight million, five hundred twenty-five thousand, three hundred fifteen".