312113986 has 8 divisors (see below), whose sum is σ = 468412560. Its totient is φ = 155976468.

The previous prime is 312113957. The next prime is 312113987. The reversal of 312113986 is 689311213.

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 (312113987) 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, 35296 + ... + 43243.

It is an arithmetic number, because the mean of its divisors is an integer number (58551570).

Almost surely, 2^312113986 is an apocalyptic number.

312113986 is a deficient number, since it is larger than the sum of its proper divisors (156298574).

312113986 is a wasteful number, since it uses less digits than its factorization.

312113986 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 80528.

The product of its digits is 7776, while the sum is 34.

The square root of 312113986 is about 17666.7480312592. The cubic root of 312113986 is about 678.3248748342.

The spelling of 312113986 in words is "three hundred twelve million, one hundred thirteen thousand, nine hundred eighty-six".