3131101131 has 16 divisors (see below), whose sum is σ = 4267375104. Its totient is φ = 2041192224.

The previous prime is 3131101109. The next prime is 3131101163. The reversal of 3131101131 is 1311011313.

It is not a de Polignac number, because 3131101131 - 2⁹ = 3131100619 is a prime.

It is a super-2 number, since 2×3131101131² = 19607588585098958322, 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 3131101131.

It is not an unprimeable number, because it can be changed into a prime (3131101231) 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, 161880 + ... + 180186.

It is an arithmetic number, because the mean of its divisors is an integer number (266710944).

Almost surely, 2^3131101131 is an apocalyptic number.

3131101131 is a deficient number, since it is larger than the sum of its proper divisors (1136273973).

3131101131 is a wasteful number, since it uses less digits than its factorization.

3131101131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19570.

The product of its (nonzero) digits is 27, while the sum is 15.

The square root of 3131101131 is about 55956.2430029036. The cubic root of 3131101131 is about 1462.9597073954.

Adding to 3131101131 its reverse (1311011313), we get a palindrome (4442112444).

It can be divided in two parts, 3 and 131101131, that multiplied together give a palindrome (393303393).

The spelling of 3131101131 in words is "three billion, one hundred thirty-one million, one hundred one thousand, one hundred thirty-one".