31907201633316 has 27 divisors (see below), whose sum is σ = 80654400910993. Its totient is φ = 10635722580480.

The previous prime is 31907201633303. The next prime is 31907201633371. The reversal of 31907201633316 is 61333610270913.

The square root of 31907201633316 is 5648646.

It is a perfect power (a square), and thus also a powerful number.

31907201633316 is a `hidden beast` number, since 3 + 1 + 9 + 0 + 7 + 2 + 0 + 1 + 633 + 3 + 1 + 6 = 666.

It can be written as a sum of positive squares in only one way, i.e., 22163813959716 + 9743387673600 = 4707846^2 + 3121440^2 .

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 33421156 + ... + 34362596.

Almost surely, 2^{31907201633316} is an apocalyptic number.

31907201633316 is a gapful number since it is divisible by the number (36) formed by its first and last digit.

31907201633316 is the 5648646-th square number.

It is an amenable number.

31907201633316 is an abundant number, since it is smaller than the sum of its proper divisors (48747199277677).

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

31907201633316 is an frugal number, since it uses more digits than its factorization.

31907201633316 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1882892 (or 941446 counting only the distinct ones).

The product of its (nonzero) digits is 367416, while the sum is 45.

The spelling of 31907201633316 in words is "thirty-one trillion, nine hundred seven billion, two hundred one million, six hundred thirty-three thousand, three hundred sixteen".