31377152046 has 64 divisors (see below), whose sum is σ = 66012807168. Its totient is φ = 9923594208.

The previous prime is 31377152029. The next prime is 31377152047. The reversal of 31377152046 is 64025177313.

It is a super-2 number, since 2×31377152046² (a number of 22 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 31377151995 and 31377152013.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31377152047) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 13987801 + ... + 13990043.

It is an arithmetic number, because the mean of its divisors is an integer number (1031450112).

Almost surely, 2^31377152046 is an apocalyptic number.

31377152046 is an abundant number, since it is smaller than the sum of its proper divisors (34635655122).

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

31377152046 is a wasteful number, since it uses less digits than its factorization.

31377152046 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3045.

The product of its (nonzero) digits is 105840, while the sum is 39.

The spelling of 31377152046 in words is "thirty-one billion, three hundred seventy-seven million, one hundred fifty-two thousand, forty-six".