2113324313987 has 16 divisors (see below), whose sum is σ = 2284758423840. Its totient is φ = 1947914811648.

The previous prime is 2113324313951. The next prime is 2113324314007. The reversal of 2113324313987 is 7893134233112.

It is not a de Polignac number, because 2113324313987 - 2⁸ = 2113324313731 is a prime.

It is a super-2 number, since 2×2113324313987² (a number of 25 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (2113324312987) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 36271703 + ... + 36329919.

It is an arithmetic number, because the mean of its divisors is an integer number (142797401490).

Almost surely, 2^{2113324313987} is an apocalyptic number.

2113324313987 is a deficient number, since it is larger than the sum of its proper divisors (171434109853).

2113324313987 is a wasteful number, since it uses less digits than its factorization.

2113324313987 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 109910.

The product of its digits is 653184, while the sum is 47.

The spelling of 2113324313987 in words is "two trillion, one hundred thirteen billion, three hundred twenty-four million, three hundred thirteen thousand, nine hundred eighty-seven".