312883813 has 8 divisors (see below), whose sum is σ = 353098080. Its totient is φ = 274631280.

The previous prime is 312883801. The next prime is 312883843. The reversal of 312883813 is 318388213.

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

It is not a de Polignac number, because 312883813 - 2²⁵ = 279329381 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (312883843) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 490095 + ... + 490732.

It is an arithmetic number, because the mean of its divisors is an integer number (44137260).

Almost surely, 2^312883813 is an apocalyptic number.

It is an amenable number.

312883813 is a deficient number, since it is larger than the sum of its proper divisors (40214267).

312883813 is a wasteful number, since it uses less digits than its factorization.

312883813 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 980867.

The product of its digits is 27648, while the sum is 37.

The square root of 312883813 is about 17688.5220694099. The cubic root of 312883813 is about 678.8821114912.

The spelling of 312883813 in words is "three hundred twelve million, eight hundred eighty-three thousand, eight hundred thirteen".