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313332949 is a prime number
BaseRepresentation
bin10010101011010…
…001010011010101
3210211120222000001
4102223101103111
51120203123244
651031451301
710523200066
oct2253212325
9724528001
10313332949
11150960756
1288b26b31
134cbb8717
142d88456d
151c7945d4
hex12ad14d5

313332949 has 2 divisors, whose sum is σ = 313332950. Its totient is φ = 313332948.

The previous prime is 313332931. The next prime is 313333043. The reversal of 313332949 is 949233313.

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., 300502225 + 12830724 = 17335^2 + 3582^2 .

It is a cyclic number.

It is not a de Polignac number, because 313332949 - 25 = 313332917 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (313333949) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 156666474 + 156666475.

It is an arithmetic number, because the mean of its divisors is an integer number (156666475).

Almost surely, 2313332949 is an apocalyptic number.

It is an amenable number.

313332949 is a deficient number, since it is larger than the sum of its proper divisors (1).

313332949 is an equidigital number, since it uses as much as digits as its factorization.

313332949 is an evil number, because the sum of its binary digits is even.

The product of its digits is 52488, while the sum is 37.

The square root of 313332949 is about 17701.2132070093. The cubic root of 313332949 is about 679.2067949709.

The spelling of 313332949 in words is "three hundred thirteen million, three hundred thirty-two thousand, nine hundred forty-nine".