31021324130 has 32 divisors (see below), whose sum is σ = 58913775360. Its totient is φ = 11728143360.

The previous prime is 31021324121. The next prime is 31021324163. The reversal of 31021324130 is 3142312013.

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, 107519 + ... + 271298.

It is an arithmetic number, because the mean of its divisors is an integer number (1841055480).

Almost surely, 2^31021324130 is an apocalyptic number.

31021324130 is a deficient number, since it is larger than the sum of its proper divisors (27892451230).

31021324130 is a wasteful number, since it uses less digits than its factorization.

31021324130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 379274.

The product of its (nonzero) digits is 432, while the sum is 20.

Adding to 31021324130 its reverse (3142312013), we get a palindrome (34163636143).

The spelling of 31021324130 in words is "thirty-one billion, twenty-one million, three hundred twenty-four thousand, one hundred thirty".