13103221986 has 16 divisors (see below), whose sum is σ = 29118271200. Its totient is φ = 4367740644.

The previous prime is 13103221961. The next prime is 13103221987. The reversal of 13103221986 is 68912230131.

13103221986 is a `hidden beast` number, since 1 + 310 + 322 + 19 + 8 + 6 = 666.

It is a self number, because there is not a number n which added to its sum of digits gives 13103221986.

It is not an unprimeable number, because it can be changed into a prime (13103221987) 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, 121326076 + ... + 121326183.

It is an arithmetic number, because the mean of its divisors is an integer number (1819891950).

Almost surely, 2^13103221986 is an apocalyptic number.

13103221986 is an abundant number, since it is smaller than the sum of its proper divisors (16015049214).

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

13103221986 is a wasteful number, since it uses less digits than its factorization.

13103221986 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 242652270 (or 242652264 counting only the distinct ones).

The product of its (nonzero) digits is 15552, while the sum is 36.

The spelling of 13103221986 in words is "thirteen billion, one hundred three million, two hundred twenty-one thousand, nine hundred eighty-six".