31313404131003 has 12 divisors (see below), whose sum is σ = 46282344090840. Its totient is φ = 20390123619936.

The previous prime is 31313404130933. The next prime is 31313404131041. The reversal of 31313404131003 is 30013140431313.

31313404131003 is a `hidden beast` number, since 3 + 1 + 3 + 1 + 340 + 4 + 1 + 310 + 0 + 3 = 666.

It is not a de Polignac number, because 31313404131003 - 2¹⁰ = 31313404129979 is a prime.

It is not an unprimeable number, because it can be changed into a prime (31313404131803) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 40456594098 + ... + 40456594871.

It is an arithmetic number, because the mean of its divisors is an integer number (3856862007570).

Almost surely, 2^{31313404131003} is an apocalyptic number.

31313404131003 is a deficient number, since it is larger than the sum of its proper divisors (14968939959837).

31313404131003 is a wasteful number, since it uses less digits than its factorization.

31313404131003 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 80913189018 (or 80913189015 counting only the distinct ones).

The product of its (nonzero) digits is 3888, while the sum is 27.

Adding to 31313404131003 its reverse (30013140431313), we get a palindrome (61326544562316).

The spelling of 31313404131003 in words is "thirty-one trillion, three hundred thirteen billion, four hundred four million, one hundred thirty-one thousand, three".