312153311 has 4 divisors (see below), whose sum is σ = 313037952. Its totient is φ = 311268672.

The previous prime is 312153301. The next prime is 312153323. The reversal of 312153311 is 113351213.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 312153311 - 2²² = 307959007 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 (312153301) 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, 441791 + ... + 442496.

It is an arithmetic number, because the mean of its divisors is an integer number (78259488).

Almost surely, 2^312153311 is an apocalyptic number.

312153311 is a deficient number, since it is larger than the sum of its proper divisors (884641).

312153311 is an equidigital number, since it uses as much as digits as its factorization.

312153311 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 884640.

The product of its digits is 270, while the sum is 20.

The square root of 312153311 is about 17667.8609627765. The cubic root of 312153311 is about 678.3533622957.

The spelling of 312153311 in words is "three hundred twelve million, one hundred fifty-three thousand, three hundred eleven".