231375515103 has 12 divisors (see below), whose sum is σ = 336055538728. Its totient is φ = 153398130480.

The previous prime is 231375515093. The next prime is 231375515153. The reversal of 231375515103 is 301515573132.

231375515103 is a `hidden beast` number, since 2 + 3 + 1 + 37 + 5 + 515 + 103 = 666.

It is not a de Polignac number, because 231375515103 - 2¹⁰ = 231375514079 is a prime.

It is a super-2 number, since 2×231375515103² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (231375515153) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 71016025 + ... + 71019282.

Almost surely, 2^231375515103 is an apocalyptic number.

231375515103 is a deficient number, since it is larger than the sum of its proper divisors (104680023625).

231375515103 is a wasteful number, since it uses less digits than its factorization.

231375515103 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 142035494 (or 142035491 counting only the distinct ones).

The product of its (nonzero) digits is 47250, while the sum is 36.

The spelling of 231375515103 in words is "two hundred thirty-one billion, three hundred seventy-five million, five hundred fifteen thousand, one hundred three".