103215052513 has 32 divisors (see below), whose sum is σ = 110673257472. Its totient is φ = 96107232000.

The previous prime is 103215052459. The next prime is 103215052531. The reversal of 103215052513 is 315250512301.

It is not a de Polignac number, because 103215052513 - 2⁹ = 103215052001 is a prime.

It is a super-2 number, since 2×103215052513² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (103215052583) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 17752995 + ... + 17758807.

It is an arithmetic number, because the mean of its divisors is an integer number (3458539296).

Almost surely, 2^103215052513 is an apocalyptic number.

It is an amenable number.

103215052513 is a deficient number, since it is larger than the sum of its proper divisors (7458204959).

103215052513 is a wasteful number, since it uses less digits than its factorization.

103215052513 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6105.

The product of its (nonzero) digits is 4500, while the sum is 28.

Adding to 103215052513 its reverse (315250512301), we get a palindrome (418465564814).

The spelling of 103215052513 in words is "one hundred three billion, two hundred fifteen million, fifty-two thousand, five hundred thirteen".