1315870337 has 2 divisors, whose sum is σ = 1315870338. Its totient is φ = 1315870336.

The previous prime is 1315870313. The next prime is 1315870393. The reversal of 1315870337 is 7330785131.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1161514561 + 154355776 = 34081^2 + 12424^2 .

It is a cyclic number.

It is not a de Polignac number, because 1315870337 - 2⁸ = 1315870081 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1315870337.

It is not a weakly prime, because it can be changed into another prime (1315870037) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 657935168 + 657935169.

It is an arithmetic number, because the mean of its divisors is an integer number (657935169).

Almost surely, 2^1315870337 is an apocalyptic number.

It is an amenable number.

1315870337 is a deficient number, since it is larger than the sum of its proper divisors (1).

1315870337 is an equidigital number, since it uses as much as digits as its factorization.

1315870337 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 52920, while the sum is 38.

The square root of 1315870337 is about 36274.9271122631. The cubic root of 1315870337 is about 1095.8161557056.

The spelling of 1315870337 in words is "one billion, three hundred fifteen million, eight hundred seventy thousand, three hundred thirty-seven".