13101132231 has 24 divisors (see below), whose sum is σ = 20652278400. Its totient is φ = 7936976400.

The previous prime is 13101132227. The next prime is 13101132269. The reversal of 13101132231 is 13223110131.

13101132231 is a `hidden beast` number, since 1 + 310 + 1 + 1 + 322 + 31 = 666.

It is not a de Polignac number, because 13101132231 - 2² = 13101132227 is a prime.

It is a super-2 number, since 2×13101132231² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13101132211) 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, 242686 + ... + 291716.

It is an arithmetic number, because the mean of its divisors is an integer number (860511600).

Almost surely, 2^13101132231 is an apocalyptic number.

13101132231 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

13101132231 is a deficient number, since it is larger than the sum of its proper divisors (7551146169).

13101132231 is a wasteful number, since it uses less digits than its factorization.

13101132231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51747 (or 51744 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 18.

Adding to 13101132231 its reverse (13223110131), we get a palindrome (26324242362).

The spelling of 13101132231 in words is "thirteen billion, one hundred one million, one hundred thirty-two thousand, two hundred thirty-one".