31013332101023 has 4 divisors (see below), whose sum is σ = 31673190230880. Its totient is φ = 30353473971168.

The previous prime is 31013332100953. The next prime is 31013332101113. The reversal of 31013332101023 is 32010123331013.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 31013332101023 - 2¹⁰ = 31013332099999 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 31013332101023.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31013332101223) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 329929064858 + ... + 329929064951.

It is an arithmetic number, because the mean of its divisors is an integer number (7918297557720).

Almost surely, 2^{31013332101023} is an apocalyptic number.

31013332101023 is a deficient number, since it is larger than the sum of its proper divisors (659858129857).

31013332101023 is an equidigital number, since it uses as much as digits as its factorization.

31013332101023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 659858129856.

The product of its (nonzero) digits is 972, while the sum is 23.

Adding to 31013332101023 its reverse (32010123331013), we get a palindrome (63023455432036).

The spelling of 31013332101023 in words is "thirty-one trillion, thirteen billion, three hundred thirty-two million, one hundred one thousand, twenty-three".