313330973 has 2 divisors, whose sum is σ = 313330974. Its totient is φ = 313330972.

The previous prime is 313330967. The next prime is 313331003. The reversal of 313330973 is 379033313.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 214388164 + 98942809 = 14642^2 + 9947^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-313330973 is a prime.

It is a super-2 number, since 2×313330973² = 196352597282253458, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (313330933) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 156665486 + 156665487.

It is an arithmetic number, because the mean of its divisors is an integer number (156665487).

Almost surely, 2^313330973 is an apocalyptic number.

It is an amenable number.

313330973 is a deficient number, since it is larger than the sum of its proper divisors (1).

313330973 is an equidigital number, since it uses as much as digits as its factorization.

313330973 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 15309, while the sum is 32.

The square root of 313330973 is about 17701.1573915380. The cubic root of 313330973 is about 679.2053671868.

The spelling of 313330973 in words is "three hundred thirteen million, three hundred thirty thousand, nine hundred seventy-three".