231863606613625 has 32 divisors (see below), whose sum is σ = 330707018723328. Its totient is φ = 158990615784000.

The previous prime is 231863606613623. The next prime is 231863606613637. The reversal of 231863606613625 is 526316606368132.

It is not a de Polignac number, because 231863606613625 - 2¹ = 231863606613623 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 231863606613625.

It is not an unprimeable number, because it can be changed into a prime (231863606613623) 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, 90974155 + ... + 93488095.

It is an arithmetic number, because the mean of its divisors is an integer number (10334594335104).

Almost surely, 2^{231863606613625} is an apocalyptic number.

231863606613625 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

231863606613625 is a deficient number, since it is larger than the sum of its proper divisors (98843412109703).

231863606613625 is a wasteful number, since it uses less digits than its factorization.

231863606613625 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2619370 (or 2619360 counting only the distinct ones).

The product of its (nonzero) digits is 33592320, while the sum is 58.

The spelling of 231863606613625 in words is "two hundred thirty-one trillion, eight hundred sixty-three billion, six hundred six million, six hundred thirteen thousand, six hundred twenty-five".