312062891138 has 8 divisors (see below), whose sum is σ = 468097453200. Its totient is φ = 156030406740.

The previous prime is 312062891137. The next prime is 312062891149. The reversal of 312062891138 is 831198260213.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (312062891137) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 64088 + ... + 792611.

It is an arithmetic number, because the mean of its divisors is an integer number (58512181650).

Almost surely, 2^312062891138 is an apocalyptic number.

312062891138 is a deficient number, since it is larger than the sum of its proper divisors (156034562062).

312062891138 is a wasteful number, since it uses less digits than its factorization.

312062891138 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1038832.

The product of its (nonzero) digits is 124416, while the sum is 44.

The spelling of 312062891138 in words is "three hundred twelve billion, sixty-two million, eight hundred ninety-one thousand, one hundred thirty-eight".