1351434631513 has 2 divisors, whose sum is σ = 1351434631514. Its totient is φ = 1351434631512.

The previous prime is 1351434631499. The next prime is 1351434631543. The reversal of 1351434631513 is 3151364341531.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1039610669769 + 311823961744 = 1019613^2 + 558412^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1351434631513 is a prime.

It is not a weakly prime, because it can be changed into another prime (1351434631543) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 675717315756 + 675717315757.

It is an arithmetic number, because the mean of its divisors is an integer number (675717315757).

Almost surely, 2^{1351434631513} is an apocalyptic number.

It is an amenable number.

1351434631513 is a deficient number, since it is larger than the sum of its proper divisors (1).

1351434631513 is an equidigital number, since it uses as much as digits as its factorization.

1351434631513 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 194400, while the sum is 40.

The spelling of 1351434631513 in words is "one trillion, three hundred fifty-one billion, four hundred thirty-four million, six hundred thirty-one thousand, five hundred thirteen".