312112302 has 16 divisors (see below), whose sum is σ = 625176912. Its totient is φ = 103878720.

The previous prime is 312112271. The next prime is 312112327. The reversal of 312112302 is 203211213.

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, 35383 + ... + 43314.

It is an arithmetic number, because the mean of its divisors is an integer number (39073557).

Almost surely, 2^312112302 is an apocalyptic number.

312112302 is an abundant number, since it is smaller than the sum of its proper divisors (313064610).

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

312112302 is a wasteful number, since it uses less digits than its factorization.

312112302 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 79363.

The product of its (nonzero) digits is 72, while the sum is 15.

The square root of 312112302 is about 17666.7003710370. The cubic root of 312112302 is about 678.3236548727.

Adding to 312112302 its reverse (203211213), we get a palindrome (515323515).

The spelling of 312112302 in words is "three hundred twelve million, one hundred twelve thousand, three hundred two".