31300133130 has 64 divisors (see below), whose sum is σ = 95390887680. Its totient is φ = 7154315712.

The previous prime is 31300133089. The next prime is 31300133159. The reversal of 31300133130 is 3133100313.

31300133130 is a `hidden beast` number, since 3 + 1 + 300 + 1 + 331 + 30 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 8278569 + ... + 8282348.

It is an arithmetic number, because the mean of its divisors is an integer number (1490482620).

Almost surely, 2^31300133130 is an apocalyptic number.

31300133130 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

31300133130 is an abundant number, since it is smaller than the sum of its proper divisors (64090754550).

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

31300133130 is a wasteful number, since it uses less digits than its factorization.

31300133130 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16560940 (or 16560934 counting only the distinct ones).

The product of its (nonzero) digits is 243, while the sum is 18.

Adding to 31300133130 its reverse (3133100313), we get a palindrome (34433233443).

The spelling of 31300133130 in words is "thirty-one billion, three hundred million, one hundred thirty-three thousand, one hundred thirty".