312331853 has 2 divisors, whose sum is σ = 312331854. Its totient is φ = 312331852.

The previous prime is 312331841. The next prime is 312332003. The reversal of 312331853 is 358133213.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 304048969 + 8282884 = 17437^2 + 2878^2 .

It is a cyclic number.

It is not a de Polignac number, because 312331853 - 2¹⁰ = 312330829 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (312331813) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 156165926 + 156165927.

It is an arithmetic number, because the mean of its divisors is an integer number (156165927).

Almost surely, 2^312331853 is an apocalyptic number.

It is an amenable number.

312331853 is a deficient number, since it is larger than the sum of its proper divisors (1).

312331853 is an equidigital number, since it uses as much as digits as its factorization.

312331853 is an evil number, because the sum of its binary digits is even.

The product of its digits is 6480, while the sum is 29.

The square root of 312331853 is about 17672.9129743797. The cubic root of 312331853 is about 678.4826699979.

The spelling of 312331853 in words is "three hundred twelve million, three hundred thirty-one thousand, eight hundred fifty-three".