13023131000031 has 24 divisors (see below), whose sum is σ = 19426801065984. Its totient is φ = 8398212616080.

The previous prime is 13023130999939. The next prime is 13023131000119. The reversal of 13023131000031 is 13000013132031.

It is a happy number.

It is not a de Polignac number, because 13023131000031 - 2⁷ = 13023130999903 is a prime.

It is a super-2 number, since 2×13023131000031² (a number of 27 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 13023130999968 and 13023131000013.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13023131007031) 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, 9959211 + ... + 11190716.

It is an arithmetic number, because the mean of its divisors is an integer number (809450044416).

Almost surely, 2^{13023131000031} is an apocalyptic number.

13023131000031 is a deficient number, since it is larger than the sum of its proper divisors (6403670065953).

13023131000031 is a wasteful number, since it uses less digits than its factorization.

13023131000031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21152171 (or 21152168 counting only the distinct ones).

The product of its (nonzero) digits is 162, while the sum is 18.

Adding to 13023131000031 its reverse (13000013132031), we get a palindrome (26023144132062).

The spelling of 13023131000031 in words is "thirteen trillion, twenty-three billion, one hundred thirty-one million, thirty-one", and thus it is an aban number.