31230012112210 has 32 divisors (see below), whose sum is σ = 57202332969600. Its totient is φ = 12272643335040.

The previous prime is 31230012112181. The next prime is 31230012112237. The reversal of 31230012112210 is 1221121003213.

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, 15499486 + ... + 17398105.

It is an arithmetic number, because the mean of its divisors is an integer number (1787572905300).

Almost surely, 2^{31230012112210} is an apocalyptic number.

31230012112210 is a deficient number, since it is larger than the sum of its proper divisors (25972320857390).

31230012112210 is a wasteful number, since it uses less digits than its factorization.

31230012112210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32899266.

The product of its (nonzero) digits is 144, while the sum is 19.

Adding to 31230012112210 its reverse (1221121003213), we get a palindrome (32451133115423).

The spelling of 31230012112210 in words is "thirty-one trillion, two hundred thirty billion, twelve million, one hundred twelve thousand, two hundred ten".