312413273 has 2 divisors, whose sum is σ = 312413274. Its totient is φ = 312413272.

The previous prime is 312413251. The next prime is 312413287. The reversal of 312413273 is 372314213.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 261533584 + 50879689 = 16172^2 + 7133^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-312413273 is a prime.

It is not a weakly prime, because it can be changed into another prime (312413243) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 156206636 + 156206637.

It is an arithmetic number, because the mean of its divisors is an integer number (156206637).

Almost surely, 2^312413273 is an apocalyptic number.

It is an amenable number.

312413273 is a deficient number, since it is larger than the sum of its proper divisors (1).

312413273 is an equidigital number, since it uses as much as digits as its factorization.

312413273 is an evil number, because the sum of its binary digits is even.

The product of its digits is 3024, while the sum is 26.

The square root of 312413273 is about 17675.2163494538. The cubic root of 312413273 is about 678.5416214613.

Adding to 312413273 its reverse (372314213), we get a palindrome (684727486).

The spelling of 312413273 in words is "three hundred twelve million, four hundred thirteen thousand, two hundred seventy-three".