2015135331 has 16 divisors (see below), whose sum is σ = 2955335808. Its totient is φ = 1221291720.

The previous prime is 2015135303. The next prime is 2015135333. The reversal of 2015135331 is 1335315102.

It is not a de Polignac number, because 2015135331 - 2⁵ = 2015135299 is a prime.

It is a super-2 number, since 2×2015135331² = 8121540804488959122, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (2015135333) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 248341 + ... + 256326.

It is an arithmetic number, because the mean of its divisors is an integer number (184708488).

Almost surely, 2^2015135331 is an apocalyptic number.

2015135331 is a deficient number, since it is larger than the sum of its proper divisors (940200477).

2015135331 is an equidigital number, since it uses as much as digits as its factorization.

2015135331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 504703 (or 504681 counting only the distinct ones).

The product of its (nonzero) digits is 1350, while the sum is 24.

The square root of 2015135331 is about 44890.2587539880. The cubic root of 2015135331 is about 1263.0912865501.

The spelling of 2015135331 in words is "two billion, fifteen million, one hundred thirty-five thousand, three hundred thirty-one".