11313321399 has 12 divisors (see below), whose sum is σ = 16904963400. Its totient is φ = 7282137744.

The previous prime is 11313321343. The next prime is 11313321413. The reversal of 11313321399 is 99312331311.

11313321399 is a `hidden beast` number, since 11 + 313 + 321 + 3 + 9 + 9 = 666.

It is not a de Polignac number, because 11313321399 - 2¹⁷ = 11313190327 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11313321599) 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, 21672769 + ... + 21673290.

It is an arithmetic number, because the mean of its divisors is an integer number (1408746950).

Almost surely, 2^11313321399 is an apocalyptic number.

11313321399 is a deficient number, since it is larger than the sum of its proper divisors (5591642001).

11313321399 is a wasteful number, since it uses less digits than its factorization.

11313321399 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43346094 (or 43346091 counting only the distinct ones).

The product of its digits is 13122, while the sum is 36.

The spelling of 11313321399 in words is "eleven billion, three hundred thirteen million, three hundred twenty-one thousand, three hundred ninety-nine".