231980475 has 24 divisors (see below), whose sum is σ = 385100352. Its totient is φ = 123220000.

The previous prime is 231980431. The next prime is 231980503. The reversal of 231980475 is 574089132.

It is not a de Polignac number, because 231980475 - 2⁸ = 231980219 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 12664 + ... + 24986.

It is an arithmetic number, because the mean of its divisors is an integer number (16045848).

Almost surely, 2^231980475 is an apocalyptic number.

231980475 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

231980475 is a deficient number, since it is larger than the sum of its proper divisors (153119877).

231980475 is a wasteful number, since it uses less digits than its factorization.

231980475 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12587 (or 12582 counting only the distinct ones).

The product of its (nonzero) digits is 60480, while the sum is 39.

The square root of 231980475 is about 15230.9052587166. The cubic root of 231980475 is about 614.4461270139.

The spelling of 231980475 in words is "two hundred thirty-one million, nine hundred eighty thousand, four hundred seventy-five".