312120310134 has 16 divisors (see below), whose sum is σ = 624969032688. Its totient is φ = 103918701312.

The previous prime is 312120310111. The next prime is 312120310157. The reversal of 312120310134 is 431013021213.

It is an interprime number because it is at equal distance from previous prime (312120310111) and next prime (312120310157).

It is a self number, because there is not a number n which added to its sum of digits gives 312120310134.

It is a congruent number.

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, 30344947 + ... + 30355230.

It is an arithmetic number, because the mean of its divisors is an integer number (39060564543).

Almost surely, 2^312120310134 is an apocalyptic number.

312120310134 is an abundant number, since it is smaller than the sum of its proper divisors (312848722554).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

312120310134 is a wasteful number, since it uses less digits than its factorization.

312120310134 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 60701039.

The product of its (nonzero) digits is 432, while the sum is 21.

Adding to 312120310134 its reverse (431013021213), we get a palindrome (743133331347).

The spelling of 312120310134 in words is "three hundred twelve billion, one hundred twenty million, three hundred ten thousand, one hundred thirty-four".