1314312457 has 2 divisors, whose sum is σ = 1314312458. Its totient is φ = 1314312456.

The previous prime is 1314312431. The next prime is 1314312463. The reversal of 1314312457 is 7542134131.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1073938441 + 240374016 = 32771^2 + 15504^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1314312457 is a prime.

It is not a weakly prime, because it can be changed into another prime (1314312427) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 657156228 + 657156229.

It is an arithmetic number, because the mean of its divisors is an integer number (657156229).

Almost surely, 2^1314312457 is an apocalyptic number.

It is an amenable number.

1314312457 is a deficient number, since it is larger than the sum of its proper divisors (1).

1314312457 is an equidigital number, since it uses as much as digits as its factorization.

1314312457 is an evil number, because the sum of its binary digits is even.

The product of its digits is 10080, while the sum is 31.

The square root of 1314312457 is about 36253.4475188223. The cubic root of 1314312457 is about 1095.3835334895.

Adding to 1314312457 its reverse (7542134131), we get a palindrome (8856446588).

It can be divided in two parts, 13143 and 12457, that added together give a square (25600 = 160²).

The spelling of 1314312457 in words is "one billion, three hundred fourteen million, three hundred twelve thousand, four hundred fifty-seven".