31312033130 has 32 divisors (see below), whose sum is σ = 65051095680. Its totient is φ = 10629259200.

The previous prime is 31312033127. The next prime is 31312033141. The reversal of 31312033130 is 3133021313.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2207360 + ... + 2221499.

It is an arithmetic number, because the mean of its divisors is an integer number (2032846740).

Almost surely, 2^31312033130 is an apocalyptic number.

31312033130 is an abundant number, since it is smaller than the sum of its proper divisors (33739062550).

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

31312033130 is a wasteful number, since it uses less digits than its factorization.

31312033130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4428974.

The product of its (nonzero) digits is 486, while the sum is 20.

Adding to 31312033130 its reverse (3133021313), we get a palindrome (34445054443).

The spelling of 31312033130 in words is "thirty-one billion, three hundred twelve million, thirty-three thousand, one hundred thirty".