134311031513 has 2 divisors, whose sum is σ = 134311031514. Its totient is φ = 134311031512.

The previous prime is 134311031441. The next prime is 134311031537. The reversal of 134311031513 is 315130113431.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 131800219849 + 2510811664 = 363043^2 + 50108^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-134311031513 is a prime.

It is not a weakly prime, because it can be changed into another prime (134311031563) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 67155515756 + 67155515757.

It is an arithmetic number, because the mean of its divisors is an integer number (67155515757).

Almost surely, 2^134311031513 is an apocalyptic number.

It is an amenable number.

134311031513 is a deficient number, since it is larger than the sum of its proper divisors (1).

134311031513 is an equidigital number, since it uses as much as digits as its factorization.

134311031513 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1620, while the sum is 26.

Adding to 134311031513 its reverse (315130113431), we get a palindrome (449441144944).

The spelling of 134311031513 in words is "one hundred thirty-four billion, three hundred eleven million, thirty-one thousand, five hundred thirteen".