31442177264 has 10 divisors (see below), whose sum is σ = 60919218480. Its totient is φ = 15721088624.

The previous prime is 31442177233. The next prime is 31442177267. The reversal of 31442177264 is 46277124413.

It is a super-2 number, since 2×31442177264² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31442177267) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 982568024 + ... + 982568055.

It is an arithmetic number, because the mean of its divisors is an integer number (6091921848).

Almost surely, 2^31442177264 is an apocalyptic number.

It is an amenable number.

31442177264 is a deficient number, since it is larger than the sum of its proper divisors (29477041216).

31442177264 is a wasteful number, since it uses less digits than its factorization.

31442177264 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1965136087 (or 1965136081 counting only the distinct ones).

The product of its digits is 225792, while the sum is 41.

The spelling of 31442177264 in words is "thirty-one billion, four hundred forty-two million, one hundred seventy-seven thousand, two hundred sixty-four".