13181431482 has 24 divisors (see below), whose sum is σ = 29617538496. Its totient is φ = 4393810332.

The previous prime is 13181431481. The next prime is 13181431493. The reversal of 13181431482 is 28413418131.

13181431482 is a `hidden beast` number, since 1 + 3 + 181 + 431 + 48 + 2 = 666.

It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (13181431481) 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, 13560658 + ... + 13561629.

It is an arithmetic number, because the mean of its divisors is an integer number (1234064104).

Almost surely, 2^13181431482 is an apocalyptic number.

13181431482 is an abundant number, since it is smaller than the sum of its proper divisors (16436107014).

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

13181431482 is an equidigital number, since it uses as much as digits as its factorization.

13181431482 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27122304 (or 27122292 counting only the distinct ones).

The product of its digits is 18432, while the sum is 36.

The spelling of 13181431482 in words is "thirteen billion, one hundred eighty-one million, four hundred thirty-one thousand, four hundred eighty-two".