3131004240133 has 24 divisors (see below), whose sum is σ = 3973488121440. Its totient is φ = 2439626001120.

The previous prime is 3131004240101. The next prime is 3131004240173. The reversal of 3131004240133 is 3310424001313.

It is not a de Polignac number, because 3131004240133 - 2⁵ = 3131004240101 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 3131004240098 and 3131004240107.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3131004240173) 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, 12038178 + ... + 12295516.

It is an arithmetic number, because the mean of its divisors is an integer number (165562005060).

Almost surely, 2^{3131004240133} is an apocalyptic number.

It is an amenable number.

3131004240133 is a deficient number, since it is larger than the sum of its proper divisors (842483881307).

3131004240133 is a wasteful number, since it uses less digits than its factorization.

3131004240133 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 279937 (or 279930 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 25.

Adding to 3131004240133 its reverse (3310424001313), we get a palindrome (6441428241446).

The spelling of 3131004240133 in words is "three trillion, one hundred thirty-one billion, four million, two hundred forty thousand, one hundred thirty-three".