13213312023031 has 16 divisors (see below), whose sum is σ = 13995358879744. Its totient is φ = 12458338298784.

The previous prime is 13213312022947. The next prime is 13213312023137. The reversal of 13213312023031 is 13032021331231.

It is a cyclic number.

It is not a de Polignac number, because 13213312023031 - 2⁷ = 13213312022903 is a prime.

It is a super-2 number, since 2×13213312023031² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 13213312022987 and 13213312023005.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13213312023931) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 32494935 + ... + 32899048.

It is an arithmetic number, because the mean of its divisors is an integer number (874709929984).

Almost surely, 2^{13213312023031} is an apocalyptic number.

13213312023031 is a deficient number, since it is larger than the sum of its proper divisors (782046856713).

13213312023031 is a wasteful number, since it uses less digits than its factorization.

13213312023031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 65394190.

The product of its (nonzero) digits is 1944, while the sum is 25.

Adding to 13213312023031 its reverse (13032021331231), we get a palindrome (26245333354262).

The spelling of 13213312023031 in words is "thirteen trillion, two hundred thirteen billion, three hundred twelve million, twenty-three thousand, thirty-one".