1515131013 has 32 divisors (see below), whose sum is σ = 2284277760. Its totient is φ = 884864960.

The previous prime is 1515130973. The next prime is 1515131027. The reversal of 1515131013 is 3101315151.

It is a cyclic number.

It is not a de Polignac number, because 1515131013 - 2²⁵ = 1481576581 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1515131063) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 617956 + ... + 620402.

It is an arithmetic number, because the mean of its divisors is an integer number (71383680).

Almost surely, 2^1515131013 is an apocalyptic number.

It is an amenable number.

1515131013 is a deficient number, since it is larger than the sum of its proper divisors (769146747).

1515131013 is a wasteful number, since it uses less digits than its factorization.

1515131013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3137.

The product of its (nonzero) digits is 225, while the sum is 21.

The square root of 1515131013 is about 38924.6838522807. The cubic root of 1515131013 is about 1148.5504137517.

Adding to 1515131013 its reverse (3101315151), we get a palindrome (4616446164).

It can be divided in two parts, 15151 and 31013, that added together give a palindrome (46164).

The spelling of 1515131013 in words is "one billion, five hundred fifteen million, one hundred thirty-one thousand, thirteen".