31320134332 has 6 divisors (see below), whose sum is σ = 54810235088. Its totient is φ = 15660067164.

The previous prime is 31320134327. The next prime is 31320134369. The reversal of 31320134332 is 23343102313.

It is a junction number, because it is equal to n+sod(n) for n = 31320134297 and 31320134306.

It is a congruent number.

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 3915016788 + ... + 3915016795.

Almost surely, 2^31320134332 is an apocalyptic number.

It is an amenable number.

31320134332 is a deficient number, since it is larger than the sum of its proper divisors (23490100756).

31320134332 is a wasteful number, since it uses less digits than its factorization.

31320134332 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7830033587 (or 7830033585 counting only the distinct ones).

The product of its (nonzero) digits is 3888, while the sum is 25.

Adding to 31320134332 its reverse (23343102313), we get a palindrome (54663236645).

The spelling of 31320134332 in words is "thirty-one billion, three hundred twenty million, one hundred thirty-four thousand, three hundred thirty-two".