3081013131 has 12 divisors (see below), whose sum is σ = 4778714472. Its totient is φ = 1760578848.

The previous prime is 3081013129. The next prime is 3081013189. The reversal of 3081013131 is 1313101803.

It is not a de Polignac number, because 3081013131 - 2¹ = 3081013129 is a prime.

It is a super-2 number, since 2×3081013131² = 18985283826788846322, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a junction number, because it is equal to n+sod(n) for n = 3081013098 and 3081013107.

It is not an unprimeable number, because it can be changed into a prime (3081013631) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 10479490 + ... + 10479783.

It is an arithmetic number, because the mean of its divisors is an integer number (398226206).

Almost surely, 2^3081013131 is an apocalyptic number.

3081013131 is a deficient number, since it is larger than the sum of its proper divisors (1697701341).

3081013131 is a wasteful number, since it uses less digits than its factorization.

3081013131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20959290 (or 20959283 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 21.

The square root of 3081013131 is about 55506.8746282837. The cubic root of 3081013131 is about 1455.1167828230.

Adding to 3081013131 its reverse (1313101803), we get a palindrome (4394114934).

The spelling of 3081013131 in words is "three billion, eighty-one million, thirteen thousand, one hundred thirty-one".