2013308231 has 24 divisors (see below), whose sum is σ = 2245795440. Its totient is φ = 1803352320.

The previous prime is 2013308221. The next prime is 2013308287. The reversal of 2013308231 is 1328033102.

It is a de Polignac number, because none of the positive numbers 2^k-2013308231 is a prime.

It is a super-2 number, since 2×2013308231² = 8106820066024698722, 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 = 2013308197 and 2013308206.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2013308221) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3130796 + ... + 3131438.

It is an arithmetic number, because the mean of its divisors is an integer number (93574810).

Almost surely, 2^2013308231 is an apocalyptic number.

2013308231 is a deficient number, since it is larger than the sum of its proper divisors (232487209).

2013308231 is a wasteful number, since it uses less digits than its factorization.

2013308231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1007 (or 996 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 23.

The square root of 2013308231 is about 44869.9033986034. The cubic root of 2013308231 is about 1262.7094276762.

The spelling of 2013308231 in words is "two billion, thirteen million, three hundred eight thousand, two hundred thirty-one".