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313908923 is a prime number
BaseRepresentation
bin10010101101011…
…101111010111011
3210212200020002102
4102231131322323
51120330041143
651052054015
710531116236
oct2255357273
9725606072
10313908923
11151214469
128916430b
135005a933
142d99441d
151c85a0b8
hex12b5debb

313908923 has 2 divisors, whose sum is σ = 313908924. Its totient is φ = 313908922.

The previous prime is 313908913. The next prime is 313908941. The reversal of 313908923 is 329809313.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 313908923 - 28 = 313908667 is a prime.

It is not a weakly prime, because it can be changed into another prime (313908913) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 156954461 + 156954462.

It is an arithmetic number, because the mean of its divisors is an integer number (156954462).

Almost surely, 2313908923 is an apocalyptic number.

313908923 is a deficient number, since it is larger than the sum of its proper divisors (1).

313908923 is an equidigital number, since it uses as much as digits as its factorization.

313908923 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 34992, while the sum is 38.

The square root of 313908923 is about 17717.4750740618. The cubic root of 313908923 is about 679.6227167493.

The spelling of 313908923 in words is "three hundred thirteen million, nine hundred eight thousand, nine hundred twenty-three".