3131234223131 has 16 divisors (see below), whose sum is σ = 3735176899584. Its totient is φ = 2566512061344.

The previous prime is 3131234223127. The next prime is 3131234223133. The reversal of 3131234223131 is 1313224321313.

It is not a de Polignac number, because 3131234223131 - 2² = 3131234223127 is a prime.

It is a super-2 number, since 2×3131234223131² (a number of 26 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 3131234223094 and 3131234223103.

It is not an unprimeable number, because it can be changed into a prime (3131234223133) 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 15 ways as a sum of consecutive naturals, for example, 2109791 + ... + 3273176.

It is an arithmetic number, because the mean of its divisors is an integer number (233448556224).

Almost surely, 2^{3131234223131} is an apocalyptic number.

3131234223131 is a deficient number, since it is larger than the sum of its proper divisors (603942676453).

3131234223131 is a wasteful number, since it uses less digits than its factorization.

3131234223131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5386610.

The product of its digits is 7776, while the sum is 29.

Adding to 3131234223131 its reverse (1313224321313), we get a palindrome (4444458544444).

The spelling of 3131234223131 in words is "three trillion, one hundred thirty-one billion, two hundred thirty-four million, two hundred twenty-three thousand, one hundred thirty-one".