31032313231130 has 32 divisors (see below), whose sum is σ = 55955507287680. Its totient is φ = 12391295065920.

The previous prime is 31032313231109. The next prime is 31032313231159. The reversal of 31032313231130 is 3113231323013.

It is a self number, because there is not a number n which added to its sum of digits gives 31032313231130.

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, 175771100 + ... + 175947560.

It is an arithmetic number, because the mean of its divisors is an integer number (1748609602740).

Almost surely, 2^{31032313231130} is an apocalyptic number.

31032313231130 is a deficient number, since it is larger than the sum of its proper divisors (24923194056550).

31032313231130 is a wasteful number, since it uses less digits than its factorization.

31032313231130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 207014.

The product of its (nonzero) digits is 2916, while the sum is 26.

Adding to 31032313231130 its reverse (3113231323013), we get a palindrome (34145544554143).

The spelling of 31032313231130 in words is "thirty-one trillion, thirty-two billion, three hundred thirteen million, two hundred thirty-one thousand, one hundred thirty".