1315051051 has 2 divisors, whose sum is σ = 1315051052. Its totient is φ = 1315051050.

The previous prime is 1315051043. The next prime is 1315051159. The reversal of 1315051051 is 1501505131.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1315051051 - 2³ = 1315051043 is a prime.

It is not a weakly prime, because it can be changed into another prime (1315055051) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 657525525 + 657525526.

It is an arithmetic number, because the mean of its divisors is an integer number (657525526).

Almost surely, 2^1315051051 is an apocalyptic number.

1315051051 is a deficient number, since it is larger than the sum of its proper divisors (1).

1315051051 is an equidigital number, since it uses as much as digits as its factorization.

1315051051 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 375, while the sum is 22.

The square root of 1315051051 is about 36263.6326227806. The cubic root of 1315051051 is about 1095.5886831346.

Adding to 1315051051 its reverse (1501505131), we get a palindrome (2816556182).

The spelling of 1315051051 in words is "one billion, three hundred fifteen million, fifty-one thousand, fifty-one".