312513119 has 2 divisors, whose sum is σ = 312513120. Its totient is φ = 312513118.

The previous prime is 312513109. The next prime is 312513133. The reversal of 312513119 is 911315213.

It is a weak prime.

It is an emirp because it is prime and its reverse (911315213) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 312513119 - 2²⁴ = 295735903 is a prime.

It is a super-2 number, since 2×312513119² = 195328899094216322, which contains 22 as substring.

It is a Sophie Germain prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (312513109) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 156256559 + 156256560.

It is an arithmetic number, because the mean of its divisors is an integer number (156256560).

Almost surely, 2^312513119 is an apocalyptic number.

312513119 is a deficient number, since it is larger than the sum of its proper divisors (1).

312513119 is an equidigital number, since it uses as much as digits as its factorization.

312513119 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 810, while the sum is 26.

The square root of 312513119 is about 17678.0405871239. The cubic root of 312513119 is about 678.6139001344.

The spelling of 312513119 in words is "three hundred twelve million, five hundred thirteen thousand, one hundred nineteen".