31523413053013 has 8 divisors (see below), whose sum is σ = 36027184697280. Its totient is φ = 27019748139360.

The previous prime is 31523413052983. The next prime is 31523413053017. The reversal of 31523413053013 is 31035031432513.

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-31523413053013 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 31523413053013.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31523413053017) 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, 26048743 + ... + 27232036.

It is an arithmetic number, because the mean of its divisors is an integer number (4503398087160).

Almost surely, 2^{31523413053013} is an apocalyptic number.

It is an amenable number.

31523413053013 is a deficient number, since it is larger than the sum of its proper divisors (4503771644267).

31523413053013 is an equidigital number, since it uses as much as digits as its factorization.

31523413053013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 53365307.

The product of its (nonzero) digits is 48600, while the sum is 34.

Adding to 31523413053013 its reverse (31035031432513), we get a palindrome (62558444485526).

The spelling of 31523413053013 in words is "thirty-one trillion, five hundred twenty-three billion, four hundred thirteen million, fifty-three thousand, thirteen".