312110893 has 2 divisors, whose sum is σ = 312110894. Its totient is φ = 312110892.

The previous prime is 312110881. The next prime is 312110969. The reversal of 312110893 is 398011213.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 266440329 + 45670564 = 16323^2 + 6758^2 .

It is a cyclic number.

It is not a de Polignac number, because 312110893 - 2⁵ = 312110861 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (312110993) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 156055446 + 156055447.

It is an arithmetic number, because the mean of its divisors is an integer number (156055447).

Almost surely, 2^312110893 is an apocalyptic number.

It is an amenable number.

312110893 is a deficient number, since it is larger than the sum of its proper divisors (1).

312110893 is an equidigital number, since it uses as much as digits as its factorization.

312110893 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1296, while the sum is 28.

The square root of 312110893 is about 17666.6604937096. The cubic root of 312110893 is about 678.3226341296.

The spelling of 312110893 in words is "three hundred twelve million, one hundred ten thousand, eight hundred ninety-three".