13431215350 has 24 divisors (see below), whose sum is σ = 28550927088. Its totient is φ = 4604988000.

The previous prime is 13431215269. The next prime is 13431215363. The reversal of 13431215350 is 5351213431.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 19187101 + ... + 19187800.

It is an arithmetic number, because the mean of its divisors is an integer number (1189621962).

Almost surely, 2^13431215350 is an apocalyptic number.

13431215350 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

13431215350 is an abundant number, since it is smaller than the sum of its proper divisors (15119711738).

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

13431215350 is a wasteful number, since it uses less digits than its factorization.

13431215350 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38374920 (or 38374915 counting only the distinct ones).

The product of its (nonzero) digits is 5400, while the sum is 28.

Adding to 13431215350 its reverse (5351213431), we get a palindrome (18782428781).

The spelling of 13431215350 in words is "thirteen billion, four hundred thirty-one million, two hundred fifteen thousand, three hundred fifty".