31130000322 has 32 divisors (see below), whose sum is σ = 62565834240. Its totient is φ = 10325735040.

The previous prime is 31130000309. The next prime is 31130000411. The reversal of 31130000322 is 22300003113.

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, 5109454 + ... + 5115542.

It is an arithmetic number, because the mean of its divisors is an integer number (1955182320).

Almost surely, 2^31130000322 is an apocalyptic number.

31130000322 is an abundant number, since it is smaller than the sum of its proper divisors (31435833918).

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

31130000322 is a wasteful number, since it uses less digits than its factorization.

31130000322 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10138.

The product of its (nonzero) digits is 108, while the sum is 15.

Adding to 31130000322 its reverse (22300003113), we get a palindrome (53430003435).

The spelling of 31130000322 in words is "thirty-one billion, one hundred thirty million, three hundred twenty-two", and thus it is an aban number.