1513316971 has 2 divisors, whose sum is σ = 1513316972. Its totient is φ = 1513316970.

The previous prime is 1513316957. The next prime is 1513316977. The reversal of 1513316971 is 1796133151.

It is a strong prime.

It is an emirp because it is prime and its reverse (1796133151) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1513316971 - 2⁹ = 1513316459 is a prime.

It is a super-2 number, since 2×1513316971² = 4580256509433229682, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1513316971.

It is not a weakly prime, because it can be changed into another prime (1513316977) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 756658485 + 756658486.

It is an arithmetic number, because the mean of its divisors is an integer number (756658486).

Almost surely, 2^1513316971 is an apocalyptic number.

1513316971 is a deficient number, since it is larger than the sum of its proper divisors (1).

1513316971 is an equidigital number, since it uses as much as digits as its factorization.

1513316971 is an evil number, because the sum of its binary digits is even.

The product of its digits is 17010, while the sum is 37.

The square root of 1513316971 is about 38901.3749242877. The cubic root of 1513316971 is about 1148.0918503786.

The spelling of 1513316971 in words is "one billion, five hundred thirteen million, three hundred sixteen thousand, nine hundred seventy-one".