312011093 has 2 divisors, whose sum is σ = 312011094. Its totient is φ = 312011092.

The previous prime is 312011069. The next prime is 312011111. The reversal of 312011093 is 390110213.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 306145009 + 5866084 = 17497^2 + 2422^2 .

It is a cyclic number.

It is not a de Polignac number, because 312011093 - 2¹² = 312006997 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (312011023) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 156005546 + 156005547.

It is an arithmetic number, because the mean of its divisors is an integer number (156005547).

Almost surely, 2^312011093 is an apocalyptic number.

It is an amenable number.

312011093 is a deficient number, since it is larger than the sum of its proper divisors (1).

312011093 is an equidigital number, since it uses as much as digits as its factorization.

312011093 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 162, while the sum is 20.

The square root of 312011093 is about 17663.8357385931. The cubic root of 312011093 is about 678.2503266932.

The spelling of 312011093 in words is "three hundred twelve million, eleven thousand, ninety-three".