31123452324 has 24 divisors (see below), whose sum is σ = 72635987200. Its totient is φ = 10372398624.

The previous prime is 31123452289. The next prime is 31123452337. The reversal of 31123452324 is 42325432113.

It is a junction number, because it is equal to n+sod(n) for n = 31123452291 and 31123452300.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 197899 + ... + 318450.

Almost surely, 2^31123452324 is an apocalyptic number.

It is an amenable number.

31123452324 is an abundant number, since it is smaller than the sum of its proper divisors (41512534876).

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

31123452324 is a wasteful number, since it uses less digits than its factorization.

31123452324 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 521379 (or 521377 counting only the distinct ones).

The product of its digits is 17280, while the sum is 30.

Adding to 31123452324 its reverse (42325432113), we get a palindrome (73448884437).

The spelling of 31123452324 in words is "thirty-one billion, one hundred twenty-three million, four hundred fifty-two thousand, three hundred twenty-four".