31264130519 has 2 divisors, whose sum is σ = 31264130520. Its totient is φ = 31264130518.

The previous prime is 31264130497. The next prime is 31264130533. The reversal of 31264130519 is 91503146213.

It is a strong prime.

It is an emirp because it is prime and its reverse (91503146213) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 31264130519 - 2¹² = 31264126423 is a prime.

It is a super-2 number, since 2×31264130519² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (31264130419) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15632065259 + 15632065260.

It is an arithmetic number, because the mean of its divisors is an integer number (15632065260).

Almost surely, 2^31264130519 is an apocalyptic number.

31264130519 is a deficient number, since it is larger than the sum of its proper divisors (1).

31264130519 is an equidigital number, since it uses as much as digits as its factorization.

31264130519 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 19440, while the sum is 35.

The spelling of 31264130519 in words is "thirty-one billion, two hundred sixty-four million, one hundred thirty thousand, five hundred nineteen".