31240401201113 has 24 divisors (see below), whose sum is σ = 35857245456000. Its totient is φ = 27111446578944.

The previous prime is 31240401201109. The next prime is 31240401201127. The reversal of 31240401201113 is 31110210404213.

It is not a de Polignac number, because 31240401201113 - 2² = 31240401201109 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (31240401201313) 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, 3275813 + ... + 8556386.

It is an arithmetic number, because the mean of its divisors is an integer number (1494051894000).

Almost surely, 2^{31240401201113} is an apocalyptic number.

It is an amenable number.

31240401201113 is a deficient number, since it is larger than the sum of its proper divisors (4616844254887).

31240401201113 is a wasteful number, since it uses less digits than its factorization.

31240401201113 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11833161 (or 11833148 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 23.

Adding to 31240401201113 its reverse (31110210404213), we get a palindrome (62350611605326).

The spelling of 31240401201113 in words is "thirty-one trillion, two hundred forty billion, four hundred one million, two hundred one thousand, one hundred thirteen".