13311501242 has 32 divisors (see below), whose sum is σ = 22245938064. Its totient is φ = 5934528000.

The previous prime is 13311501227. The next prime is 13311501263. The reversal of 13311501242 is 24210511331.

It can be written as a sum of positive squares in 8 ways, for example, as 1476019561 + 11835481681 = 38419^2 + 108791^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 45848 + ... + 169484.

Almost surely, 2^13311501242 is an apocalyptic number.

13311501242 is a deficient number, since it is larger than the sum of its proper divisors (8934436822).

13311501242 is a wasteful number, since it uses less digits than its factorization.

13311501242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 123794.

The product of its (nonzero) digits is 720, while the sum is 23.

The spelling of 13311501242 in words is "thirteen billion, three hundred eleven million, five hundred one thousand, two hundred forty-two".