231520325122 has 8 divisors (see below), whose sum is σ = 350014980096. Its totient is φ = 114848665092.

The previous prime is 231520325107. The next prime is 231520325131. The reversal of 231520325122 is 221523025132.

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 455748418 + ... + 455748925.

It is an arithmetic number, because the mean of its divisors is an integer number (43751872512).

Almost surely, 2^231520325122 is an apocalyptic number.

231520325122 is a deficient number, since it is larger than the sum of its proper divisors (118494654974).

231520325122 is a wasteful number, since it uses less digits than its factorization.

231520325122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 911497472.

The product of its (nonzero) digits is 7200, while the sum is 28.

The spelling of 231520325122 in words is "two hundred thirty-one billion, five hundred twenty million, three hundred twenty-five thousand, one hundred twenty-two".