2115005131 has 8 divisors (see below), whose sum is σ = 2176867728. Its totient is φ = 2053632000.

The previous prime is 2115005093. The next prime is 2115005141. The reversal of 2115005131 is 1315005112.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 2115005131 - 2²⁹ = 1578134219 is a prime.

It is a super-2 number, since 2×2115005131² = 8946493408312654322, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2115005099 and 2115005108.

It is not an unprimeable number, because it can be changed into a prime (2115005141) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 113590 + ... + 130891.

It is an arithmetic number, because the mean of its divisors is an integer number (272108466).

Almost surely, 2^2115005131 is an apocalyptic number.

2115005131 is a deficient number, since it is larger than the sum of its proper divisors (61862597).

2115005131 is a wasteful number, since it uses less digits than its factorization.

2115005131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 244733.

The product of its (nonzero) digits is 150, while the sum is 19.

The square root of 2115005131 is about 45989.1849351562. The cubic root of 2115005131 is about 1283.6219701741.

Subtracting from 2115005131 its sum of digits (19), we obtain a palindrome (2115005112).

The spelling of 2115005131 in words is "two billion, one hundred fifteen million, five thousand, one hundred thirty-one".