2015031055 has 4 divisors (see below), whose sum is σ = 2418037272. Its totient is φ = 1612024840.

The previous prime is 2015031043. The next prime is 2015031077. The reversal of 2015031055 is 5501305102.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 2015031055 - 2⁵ = 2015031023 is a prime.

It is a super-2 number, since 2×2015031055² = 8120700305228826050, which contains 22 as substring.

It is a Smith number, since the sum of its digits (22) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 201503101 + ... + 201503110.

It is an arithmetic number, because the mean of its divisors is an integer number (604509318).

Almost surely, 2^2015031055 is an apocalyptic number.

2015031055 is a deficient number, since it is larger than the sum of its proper divisors (403006217).

2015031055 is an equidigital number, since it uses as much as digits as its factorization.

2015031055 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 403006216.

The product of its (nonzero) digits is 750, while the sum is 22.

The square root of 2015031055 is about 44889.0972843072. The cubic root of 2015031055 is about 1263.0694993651.

Adding to 2015031055 its reverse (5501305102), we get a palindrome (7516336157).

The spelling of 2015031055 in words is "two billion, fifteen million, thirty-one thousand, fifty-five".