3131333331103 has 16 divisors (see below), whose sum is σ = 3154309633024. Its totient is φ = 3108468480480.

The previous prime is 3131333331073. The next prime is 3131333331149. The reversal of 3131333331103 is 3011333331313.

It is a cyclic number.

It is not a de Polignac number, because 3131333331103 - 2¹³ = 3131333322911 is a prime.

It is a super-2 number, since 2×3131333331103² (a number of 26 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3131333331703) 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, 70933348 + ... + 70977478.

It is an arithmetic number, because the mean of its divisors is an integer number (197144352064).

Almost surely, 2^{3131333331103} is an apocalyptic number.

3131333331103 is a deficient number, since it is larger than the sum of its proper divisors (22976301921).

3131333331103 is a wasteful number, since it uses less digits than its factorization.

3131333331103 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45382.

The product of its (nonzero) digits is 6561, while the sum is 28.

Adding to 3131333331103 its reverse (3011333331313), we get a palindrome (6142666662416).

The spelling of 3131333331103 in words is "three trillion, one hundred thirty-one billion, three hundred thirty-three million, three hundred thirty-one thousand, one hundred three".