31240401201013 has 8 divisors (see below), whose sum is σ = 31265254137600. Its totient is φ = 31215549051168.

The previous prime is 31240401201007. The next prime is 31240401201071. The reversal of 31240401201013 is 31010210404213.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-31240401201013 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31240401201083) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 99107068 + ... + 99421786.

It is an arithmetic number, because the mean of its divisors is an integer number (3908156767200).

Almost surely, 2^{31240401201013} is an apocalyptic number.

It is an amenable number.

31240401201013 is a deficient number, since it is larger than the sum of its proper divisors (24852936587).

31240401201013 is a wasteful number, since it uses less digits than its factorization.

31240401201013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 393371.

The product of its (nonzero) digits is 576, while the sum is 22.

Adding to 31240401201013 its reverse (31010210404213), we get a palindrome (62250611605226).

The spelling of 31240401201013 in words is "thirty-one trillion, two hundred forty billion, four hundred one million, two hundred one thousand, thirteen".