2013122031 has 16 divisors (see below), whose sum is σ = 2843908704. Its totient is φ = 1262311424.

The previous prime is 2013122021. The next prime is 2013122039. The reversal of 2013122031 is 1302213102.

It is a cyclic number.

It is not a de Polignac number, because 2013122031 - 2⁶ = 2013121967 is a prime.

It is a super-2 number, since 2×2013122031² = 8105320623395129922, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 2013122031.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2013122039) 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, 71431 + ... + 95543.

It is an arithmetic number, because the mean of its divisors is an integer number (177744294).

Almost surely, 2^2013122031 is an apocalyptic number.

2013122031 is a deficient number, since it is larger than the sum of its proper divisors (830786673).

2013122031 is a wasteful number, since it uses less digits than its factorization.

2013122031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25770.

The product of its (nonzero) digits is 72, while the sum is 15.

The square root of 2013122031 is about 44867.8284631650. The cubic root of 2013122031 is about 1262.6704994187.

Adding to 2013122031 its reverse (1302213102), we get a palindrome (3315335133).

The spelling of 2013122031 in words is "two billion, thirteen million, one hundred twenty-two thousand, thirty-one".