312016893 has 16 divisors (see below), whose sum is σ = 431686080. Its totient is φ = 200295936.

The previous prime is 312016889. The next prime is 312016907. The reversal of 312016893 is 398610213.

It is not a de Polignac number, because 312016893 - 2² = 312016889 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (312016853) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3723 + ... + 25256.

It is an arithmetic number, because the mean of its divisors is an integer number (26980380).

Almost surely, 2^312016893 is an apocalyptic number.

It is an amenable number.

312016893 is a deficient number, since it is larger than the sum of its proper divisors (119669187).

312016893 is a wasteful number, since it uses less digits than its factorization.

312016893 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29116.

The product of its (nonzero) digits is 7776, while the sum is 33.

The square root of 312016893 is about 17663.9999150815. Note that the first 4 decimals coincide. The cubic root of 312016893 is about 678.2545293509.

The spelling of 312016893 in words is "three hundred twelve million, sixteen thousand, eight hundred ninety-three".