231406350572145 has 96 divisors (see below), whose sum is σ = 441731706958080. Its totient is φ = 103102450214400.

The previous prime is 231406350572119. The next prime is 231406350572191. The reversal of 231406350572145 is 541275053604132.

It is not a de Polignac number, because 231406350572145 - 2⁵ = 231406350572113 is a prime.

It is a super-3 number, since 3×231406350572145³ (a number of 44 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 231406350572094 and 231406350572103.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 13787830 + ... + 25552239.

It is an arithmetic number, because the mean of its divisors is an integer number (4601371947480).

Almost surely, 2^{231406350572145} is an apocalyptic number.

It is an amenable number.

231406350572145 is a deficient number, since it is larger than the sum of its proper divisors (210325356385935).

231406350572145 is a wasteful number, since it uses less digits than its factorization.

231406350572145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39340295 (or 39340288 counting only the distinct ones).

The product of its (nonzero) digits is 3024000, while the sum is 48.

The spelling of 231406350572145 in words is "two hundred thirty-one trillion, four hundred six billion, three hundred fifty million, five hundred seventy-two thousand, one hundred forty-five".