231320673376 has 48 divisors (see below), whose sum is σ = 507356211600. Its totient is φ = 103081886208.

The previous prime is 231320673359. The next prime is 231320673383. The reversal of 231320673376 is 673376023132.

It is a super-3 number, since 3×231320673376³ (a number of 35 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9575166 + ... + 9599293.

It is an arithmetic number, because the mean of its divisors is an integer number (10569921075).

Almost surely, 2^231320673376 is an apocalyptic number.

231320673376 is a gapful number since it is divisible by the number (26) formed by its first and last digit.

It is an amenable number.

231320673376 is an abundant number, since it is smaller than the sum of its proper divisors (276035538224).

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

231320673376 is a wasteful number, since it uses less digits than its factorization.

231320673376 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19174511 (or 19174503 counting only the distinct ones).

The product of its (nonzero) digits is 571536, while the sum is 43.

The spelling of 231320673376 in words is "two hundred thirty-one billion, three hundred twenty million, six hundred seventy-three thousand, three hundred seventy-six".