313540039 has 2 divisors, whose sum is σ = 313540040. Its totient is φ = 313540038.

The previous prime is 313539973. The next prime is 313540043. The reversal of 313540039 is 930045313.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-313540039 is a prime.

It is a super-2 number, since 2×313540039² = 196614712112243042, which contains 22 as substring.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 313539989 and 313540016.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (313540049) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 156770019 + 156770020.

It is an arithmetic number, because the mean of its divisors is an integer number (156770020).

Almost surely, 2^313540039 is an apocalyptic number.

313540039 is a deficient number, since it is larger than the sum of its proper divisors (1).

313540039 is an equidigital number, since it uses as much as digits as its factorization.

313540039 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4860, while the sum is 28.

The square root of 313540039 is about 17707.0618398423. The cubic root of 313540039 is about 679.3563972380.

The spelling of 313540039 in words is "three hundred thirteen million, five hundred forty thousand, thirty-nine".