31533224130 has 32 divisors (see below), whose sum is σ = 84088598400. Its totient is φ = 8408859696.

The previous prime is 31533224113. The next prime is 31533224143. The reversal of 31533224130 is 3142233513.

31533224130 is a `hidden beast` number, since 315 + 332 + 2 + 4 + 13 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a junction number, because it is equal to n+sod(n) for n = 31533224094 and 31533224103.

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 15 ways as a sum of consecutive naturals, for example, 58394590 + ... + 58395129.

It is an arithmetic number, because the mean of its divisors is an integer number (2627768700).

Almost surely, 2^31533224130 is an apocalyptic number.

31533224130 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

31533224130 is an abundant number, since it is smaller than the sum of its proper divisors (52555374270).

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

31533224130 is a wasteful number, since it uses less digits than its factorization.

31533224130 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 116789735 (or 116789729 counting only the distinct ones).

The product of its (nonzero) digits is 6480, while the sum is 27.

Adding to 31533224130 its reverse (3142233513), we get a palindrome (34675457643).

The spelling of 31533224130 in words is "thirty-one billion, five hundred thirty-three million, two hundred twenty-four thousand, one hundred thirty".