312168011 has 2 divisors, whose sum is σ = 312168012. Its totient is φ = 312168010.

The previous prime is 312167981. The next prime is 312168053. The reversal of 312168011 is 110861213.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-312168011 is a prime.

It is a super-2 number, since 2×312168011² = 194897734183392242, which contains 22 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (312168061) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 156084005 + 156084006.

It is an arithmetic number, because the mean of its divisors is an integer number (156084006).

Almost surely, 2^312168011 is an apocalyptic number.

312168011 is a deficient number, since it is larger than the sum of its proper divisors (1).

312168011 is an equidigital number, since it uses as much as digits as its factorization.

312168011 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 288, while the sum is 23.

The square root of 312168011 is about 17668.2769674918. The cubic root of 312168011 is about 678.3640105227.

The spelling of 312168011 in words is "three hundred twelve million, one hundred sixty-eight thousand, eleven".