13431112450 has 96 divisors (see below), whose sum is σ = 29444972544. Its totient is φ = 4462655040.

The previous prime is 13431112439. The next prime is 13431112477. The reversal of 13431112450 is 5421113431.

It is a Harshad number since it is a multiple of its sum of digits (25).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1690387 + ... + 1698313.

It is an arithmetic number, because the mean of its divisors is an integer number (306718464).

Almost surely, 2^13431112450 is an apocalyptic number.

13431112450 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

13431112450 is an abundant number, since it is smaller than the sum of its proper divisors (16013860094).

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

13431112450 is a wasteful number, since it uses less digits than its factorization.

13431112450 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8096 (or 8091 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 25.

Adding to 13431112450 its reverse (5421113431), we get a palindrome (18852225881).

The spelling of 13431112450 in words is "thirteen billion, four hundred thirty-one million, one hundred twelve thousand, four hundred fifty".