13231949382 has 24 divisors (see below), whose sum is σ = 28717592904. Its totient is φ = 4403208384.

The previous prime is 13231949377. The next prime is 13231949389. The reversal of 13231949382 is 28394913231.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13231949389) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 609148 + ... + 630495.

It is an arithmetic number, because the mean of its divisors is an integer number (1196566371).

Almost surely, 2^13231949382 is an apocalyptic number.

13231949382 is an abundant number, since it is smaller than the sum of its proper divisors (15485643522).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

13231949382 is a wasteful number, since it uses less digits than its factorization.

13231949382 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1240244 (or 1240241 counting only the distinct ones).

The product of its digits is 279936, while the sum is 45.

The spelling of 13231949382 in words is "thirteen billion, two hundred thirty-one million, nine hundred forty-nine thousand, three hundred eighty-two".