31320133324 has 6 divisors (see below), whose sum is σ = 54810233324. Its totient is φ = 15660066660.

The previous prime is 31320133307. The next prime is 31320133393. The reversal of 31320133324 is 42333102313.

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, 3915016662 + ... + 3915016669.

Almost surely, 2^31320133324 is an apocalyptic number.

It is an amenable number.

31320133324 is a deficient number, since it is larger than the sum of its proper divisors (23490100000).

31320133324 is a wasteful number, since it uses less digits than its factorization.

31320133324 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7830033335 (or 7830033333 counting only the distinct ones).

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

Adding to 31320133324 its reverse (42333102313), we get a palindrome (73653235637).

The spelling of 31320133324 in words is "thirty-one billion, three hundred twenty million, one hundred thirty-three thousand, three hundred twenty-four".