31965051468 has 24 divisors (see below), whose sum is σ = 85240137472. Its totient is φ = 9132871824.

The previous prime is 31965051467. The next prime is 31965051473. The reversal of 31965051468 is 86415056913.

It is not an unprimeable number, because it can be changed into a prime (31965051467) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 190268080 + ... + 190268247.

Almost surely, 2^31965051468 is an apocalyptic number.

It is an amenable number.

31965051468 is an abundant number, since it is smaller than the sum of its proper divisors (53275086004).

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

31965051468 is a wasteful number, since it uses less digits than its factorization.

31965051468 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 380536341 (or 380536339 counting only the distinct ones).

The product of its (nonzero) digits is 777600, while the sum is 48.

Subtracting 31965051468 from its reverse (86415056913), we obtain a palindrome (54450005445).

The spelling of 31965051468 in words is "thirty-one billion, nine hundred sixty-five million, fifty-one thousand, four hundred sixty-eight".