1513147331 has 2 divisors, whose sum is σ = 1513147332. Its totient is φ = 1513147330.

The previous prime is 1513147291. The next prime is 1513147367. The reversal of 1513147331 is 1337413151.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1513147331 - 2³⁰ = 439405507 is a prime.

It is a super-2 number, since 2×1513147331² = 4579229690624847122, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1513147294 and 1513147303.

It is not a weakly prime, because it can be changed into another prime (1513147931) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 756573665 + 756573666.

It is an arithmetic number, because the mean of its divisors is an integer number (756573666).

Almost surely, 2^1513147331 is an apocalyptic number.

1513147331 is a deficient number, since it is larger than the sum of its proper divisors (1).

1513147331 is an equidigital number, since it uses as much as digits as its factorization.

1513147331 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 3780, while the sum is 29.

The square root of 1513147331 is about 38899.1944775210. The cubic root of 1513147331 is about 1148.0489491263.

The spelling of 1513147331 in words is "one billion, five hundred thirteen million, one hundred forty-seven thousand, three hundred thirty-one".