1013515331 has 2 divisors, whose sum is σ = 1013515332. Its totient is φ = 1013515330.

The previous prime is 1013515297. The next prime is 1013515337. The reversal of 1013515331 is 1335153101.

It is a strong prime.

It is an emirp because it is prime and its reverse (1335153101) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1013515331 - 2¹⁴ = 1013498947 is a prime.

It is a super-2 number, since 2×1013515331² = 2054426652344079122, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1013515297 and 1013515306.

It is not a weakly prime, because it can be changed into another prime (1013515337) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 506757665 + 506757666.

It is an arithmetic number, because the mean of its divisors is an integer number (506757666).

Almost surely, 2^1013515331 is an apocalyptic number.

1013515331 is a deficient number, since it is larger than the sum of its proper divisors (1).

1013515331 is an equidigital number, since it uses as much as digits as its factorization.

1013515331 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 675, while the sum is 23.

The square root of 1013515331 is about 31835.7555430996. The cubic root of 1013515331 is about 1004.4849653476.

Adding to 1013515331 its reverse (1335153101), we get a palindrome (2348668432).

The spelling of 1013515331 in words is "one billion, thirteen million, five hundred fifteen thousand, three hundred thirty-one".