13131549212 has 24 divisors (see below), whose sum is σ = 23228464896. Its totient is φ = 6494911488.

The previous prime is 13131549083. The next prime is 13131549217. The reversal of 13131549212 is 21294513131.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13131549217) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 921413 + ... + 935555.

It is an arithmetic number, because the mean of its divisors is an integer number (967852704).

Almost surely, 2^13131549212 is an apocalyptic number.

It is an amenable number.

13131549212 is a deficient number, since it is larger than the sum of its proper divisors (10096915684).

13131549212 is a wasteful number, since it uses less digits than its factorization.

13131549212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16637 (or 16635 counting only the distinct ones).

The product of its digits is 6480, while the sum is 32.

The spelling of 13131549212 in words is "thirteen billion, one hundred thirty-one million, five hundred forty-nine thousand, two hundred twelve".