312031102130 has 32 divisors (see below), whose sum is σ = 612836558208. Its totient is φ = 113443459200.

The previous prime is 312031102129. The next prime is 312031102171. The reversal of 312031102130 is 31201130213.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 312031102099 and 312031102108.

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, 285035 + ... + 839825.

It is an arithmetic number, because the mean of its divisors is an integer number (19151142444).

Almost surely, 2^312031102130 is an apocalyptic number.

312031102130 is a deficient number, since it is larger than the sum of its proper divisors (300805456078).

312031102130 is a wasteful number, since it uses less digits than its factorization.

312031102130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 559922.

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

Adding to 312031102130 its reverse (31201130213), we get a palindrome (343232232343).

The spelling of 312031102130 in words is "three hundred twelve billion, thirty-one million, one hundred two thousand, one hundred thirty".