13010131231 has 4 divisors (see below), whose sum is σ = 13694875000. Its totient is φ = 12325387464.

The previous prime is 13010131223. The next prime is 13010131247. The reversal of 13010131231 is 13213101031.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 13213101031 = 13 ⋅1016392387.

It is a cyclic number.

It is not a de Polignac number, because 13010131231 - 2³ = 13010131223 is a prime.

It is a super-2 number, since 2×13010131231² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13010131261) 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, 342371856 + ... + 342371893.

It is an arithmetic number, because the mean of its divisors is an integer number (3423718750).

Almost surely, 2^13010131231 is an apocalyptic number.

13010131231 is a deficient number, since it is larger than the sum of its proper divisors (684743769).

13010131231 is an equidigital number, since it uses as much as digits as its factorization.

13010131231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 684743768.

The product of its (nonzero) digits is 54, while the sum is 16.

Adding to 13010131231 its reverse (13213101031), we get a palindrome (26223232262).

The spelling of 13010131231 in words is "thirteen billion, ten million, one hundred thirty-one thousand, two hundred thirty-one".