13431201099 has 8 divisors (see below), whose sum is σ = 18850808640. Its totient is φ = 8482863816.

The previous prime is 13431201083. The next prime is 13431201167. The reversal of 13431201099 is 99010213431.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 13431201099 - 2⁴ = 13431201083 is a prime.

It is not an unprimeable number, because it can be changed into a prime (13431201799) 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, 117817497 + ... + 117817610.

It is an arithmetic number, because the mean of its divisors is an integer number (2356351080).

Almost surely, 2^13431201099 is an apocalyptic number.

13431201099 is a gapful number since it is divisible by the number (19) formed by its first and last digit.

13431201099 is a deficient number, since it is larger than the sum of its proper divisors (5419607541).

13431201099 is a wasteful number, since it uses less digits than its factorization.

13431201099 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 235635129.

The product of its (nonzero) digits is 5832, while the sum is 33.

The spelling of 13431201099 in words is "thirteen billion, four hundred thirty-one million, two hundred one thousand, ninety-nine".