1315402351 has 2 divisors, whose sum is σ = 1315402352. Its totient is φ = 1315402350.

The previous prime is 1315402337. The next prime is 1315402369. The reversal of 1315402351 is 1532045131.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1315402351 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1315402051) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 657701175 + 657701176.

It is an arithmetic number, because the mean of its divisors is an integer number (657701176).

Almost surely, 2^1315402351 is an apocalyptic number.

1315402351 is a deficient number, since it is larger than the sum of its proper divisors (1).

1315402351 is an equidigital number, since it uses as much as digits as its factorization.

1315402351 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1800, while the sum is 25.

The square root of 1315402351 is about 36268.4759950015. The cubic root of 1315402351 is about 1095.6862322087.

Adding to 1315402351 its reverse (1532045131), we get a palindrome (2847447482).

The spelling of 1315402351 in words is "one billion, three hundred fifteen million, four hundred two thousand, three hundred fifty-one".