231070875206220 has 72 divisors (see below), whose sum is σ = 801045700719264. Its totient is φ = 52816200046848.

The previous prime is 231070875206173. The next prime is 231070875206299. The reversal of 231070875206220 is 22602578070132.

231070875206220 is a `hidden beast` number, since 2 + 3 + 10 + 7 + 0 + 8 + 7 + 5 + 2 + 0 + 622 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (45).

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, 91694790489 + ... + 91694793008.

It is an arithmetic number, because the mean of its divisors is an integer number (11125634732212).

Almost surely, 2^{231070875206220} is an apocalyptic number.

231070875206220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

231070875206220 is an abundant number, since it is smaller than the sum of its proper divisors (569974825513044).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

231070875206220 is a wasteful number, since it uses less digits than its factorization.

231070875206220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 183389583519 (or 183389583514 counting only the distinct ones).

The product of its (nonzero) digits is 564480, while the sum is 45.

The spelling of 231070875206220 in words is "two hundred thirty-one trillion, seventy billion, eight hundred seventy-five million, two hundred six thousand, two hundred twenty".