Search a number
-
+
314311957 is a prime number
BaseRepresentation
bin10010101111000…
…000010100010101
3210220102200221121
4102233000110111
51120430440312
651104443541
710534415251
oct2257002425
9726380847
10314311957
1115146a253
12893195b1
135016c20b
142da5b261
151c8d9707
hex12bc0515

314311957 has 2 divisors, whose sum is σ = 314311958. Its totient is φ = 314311956.

The previous prime is 314311937. The next prime is 314311961. The reversal of 314311957 is 759113413.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 313077636 + 1234321 = 17694^2 + 1111^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-314311957 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (314311937) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 157155978 + 157155979.

It is an arithmetic number, because the mean of its divisors is an integer number (157155979).

Almost surely, 2314311957 is an apocalyptic number.

It is an amenable number.

314311957 is a deficient number, since it is larger than the sum of its proper divisors (1).

314311957 is an equidigital number, since it uses as much as digits as its factorization.

314311957 is an evil number, because the sum of its binary digits is even.

The product of its digits is 11340, while the sum is 34.

The square root of 314311957 is about 17728.8453374719. The cubic root of 314311957 is about 679.9134527971.

The spelling of 314311957 in words is "three hundred fourteen million, three hundred eleven thousand, nine hundred fifty-seven".