13231131214 has 12 divisors (see below), whose sum is σ = 23086974024. Its totient is φ = 5670484764.

The previous prime is 13231131191. The next prime is 13231131227. The reversal of 13231131214 is 41213113231.

It is a super-2 number, since 2×13231131214² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 67505674 + ... + 67505869.

It is an arithmetic number, because the mean of its divisors is an integer number (1923914502).

Almost surely, 2^13231131214 is an apocalyptic number.

13231131214 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

13231131214 is a deficient number, since it is larger than the sum of its proper divisors (9855842810).

13231131214 is a wasteful number, since it uses less digits than its factorization.

13231131214 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 135011559 (or 135011552 counting only the distinct ones).

The product of its digits is 432, while the sum is 22.

Adding to 13231131214 its reverse (41213113231), we get a palindrome (54444244445).

The spelling of 13231131214 in words is "thirteen billion, two hundred thirty-one million, one hundred thirty-one thousand, two hundred fourteen".