31130322324 has 24 divisors (see below), whose sum is σ = 73660483008. Its totient is φ = 10230622080.

The previous prime is 31130322299. The next prime is 31130322343. The reversal of 31130322324 is 42322303113.

It is a super-2 number, since 2×31130322324² (a number of 22 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 31130322294 and 31130322303.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 18268117 + ... + 18269820.

It is an arithmetic number, because the mean of its divisors is an integer number (3069186792).

Almost surely, 2^31130322324 is an apocalyptic number.

It is an amenable number.

31130322324 is an abundant number, since it is smaller than the sum of its proper divisors (42530160684).

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

31130322324 is a wasteful number, since it uses less digits than its factorization.

31130322324 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36538015 (or 36538013 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 24.

Adding to 31130322324 its reverse (42322303113), we get a palindrome (73452625437).

The spelling of 31130322324 in words is "thirty-one billion, one hundred thirty million, three hundred twenty-two thousand, three hundred twenty-four".