312066811 has 12 divisors (see below), whose sum is σ = 376409712. Its totient is φ = 253405584.

The previous prime is 312066787. The next prime is 312066899. The reversal of 312066811 is 118660213.

It is not a de Polignac number, because 312066811 - 2⁵ = 312066779 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 312066811.

It is not an unprimeable number, because it can be changed into a prime (312066311) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 59220 + ... + 64273.

It is an arithmetic number, because the mean of its divisors is an integer number (31367476).

Almost surely, 2^312066811 is an apocalyptic number.

312066811 is a deficient number, since it is larger than the sum of its proper divisors (64342901).

312066811 is a wasteful number, since it uses less digits than its factorization.

312066811 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 123538 (or 123519 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 28.

The square root of 312066811 is about 17665.4128454446. The cubic root of 312066811 is about 678.2906975894.

The spelling of 312066811 in words is "three hundred twelve million, sixty-six thousand, eight hundred eleven".