31132213010 has 16 divisors (see below), whose sum is σ = 56103235200. Its totient is φ = 12438384816.

The previous prime is 31132213009. The next prime is 31132213027. The reversal of 31132213010 is 1031223113.

It is a self number, because there is not a number n which added to its sum of digits gives 31132213010.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1803530 + ... + 1820709.

It is an arithmetic number, because the mean of its divisors is an integer number (3506452200).

Almost surely, 2^31132213010 is an apocalyptic number.

31132213010 is a deficient number, since it is larger than the sum of its proper divisors (24971022190).

31132213010 is a wasteful number, since it uses less digits than its factorization.

31132213010 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3625105.

The product of its (nonzero) digits is 108, while the sum is 17.

Adding to 31132213010 its reverse (1031223113), we get a palindrome (32163436123).

The spelling of 31132213010 in words is "thirty-one billion, one hundred thirty-two million, two hundred thirteen thousand, ten".