31417021664 has 48 divisors (see below), whose sum is σ = 74408745600. Its totient is φ = 12755781504.

The previous prime is 31417021553. The next prime is 31417021681. The reversal of 31417021664 is 46612071413.

It is a super-3 number, since 3×31417021664³ (a number of 32 digits) contains 333 as substring.

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, 3686654 + ... + 3695165.

It is an arithmetic number, because the mean of its divisors is an integer number (1550182200).

Almost surely, 2^31417021664 is an apocalyptic number.

It is an amenable number.

31417021664 is an abundant number, since it is smaller than the sum of its proper divisors (42991723936).

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

31417021664 is a wasteful number, since it uses less digits than its factorization.

31417021664 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7381855 (or 7381847 counting only the distinct ones).

The product of its (nonzero) digits is 24192, while the sum is 35.

The spelling of 31417021664 in words is "thirty-one billion, four hundred seventeen million, twenty-one thousand, six hundred sixty-four".