31313412243101 has 32 divisors (see below), whose sum is σ = 33133626547200. Its totient is φ = 29544591605760.

The previous prime is 31313412243017. The next prime is 31313412243133. The reversal of 31313412243101 is 10134221431313.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-31313412243101 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (29).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31313412243151) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2536930736 + ... + 2536943078.

It is an arithmetic number, because the mean of its divisors is an integer number (1035425829600).

Almost surely, 2^{31313412243101} is an apocalyptic number.

It is an amenable number.

31313412243101 is a deficient number, since it is larger than the sum of its proper divisors (1820214304099).

31313412243101 is a wasteful number, since it uses less digits than its factorization.

31313412243101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15149.

The product of its (nonzero) digits is 5184, while the sum is 29.

Adding to 31313412243101 its reverse (10134221431313), we get a palindrome (41447633674414).

The spelling of 31313412243101 in words is "thirty-one trillion, three hundred thirteen billion, four hundred twelve million, two hundred forty-three thousand, one hundred one".