31210122130 has 32 divisors (see below), whose sum is σ = 61325382528. Its totient is φ = 11341718400.

The previous prime is 31210122109. The next prime is 31210122169. The reversal of 31210122130 is 3122101213.

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, 77790 + ... + 261670.

It is an arithmetic number, because the mean of its divisors is an integer number (1916418204).

Almost surely, 2^31210122130 is an apocalyptic number.

31210122130 is a deficient number, since it is larger than the sum of its proper divisors (30115260398).

31210122130 is a wasteful number, since it uses less digits than its factorization.

31210122130 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 185442.

The product of its (nonzero) digits is 72, while the sum is 16.

Adding to 31210122130 its reverse (3122101213), we get a palindrome (34332223343).

The spelling of 31210122130 in words is "thirty-one billion, two hundred ten million, one hundred twenty-two thousand, one hundred thirty".