83151531320 has 64 divisors (see below), whose sum is σ = 219799167840. Its totient is φ = 27911001600.

The previous prime is 83151531317. The next prime is 83151531361. The reversal of 83151531320 is 2313515138.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7262771 + ... + 7274210.

Almost surely, 2^83151531320 is an apocalyptic number.

It is an amenable number.

83151531320 is an abundant number, since it is smaller than the sum of its proper divisors (136647636520).

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

83151531320 is a wasteful number, since it uses less digits than its factorization.

83151531320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14537016 (or 14537012 counting only the distinct ones).

The product of its (nonzero) digits is 10800, while the sum is 32.

The spelling of 83151531320 in words is "eighty-three billion, one hundred fifty-one million, five hundred thirty-one thousand, three hundred twenty".