13215144350 has 24 divisors (see below), whose sum is σ = 24589599528. Its totient is φ = 5284029600.

The previous prime is 13215144343. The next prime is 13215144373. The reversal of 13215144350 is 5344151231.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 84485 + ... + 183215.

It is an arithmetic number, because the mean of its divisors is an integer number (1024566647).

Almost surely, 2^13215144350 is an apocalyptic number.

13215144350 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

13215144350 is a deficient number, since it is larger than the sum of its proper divisors (11374455178).

13215144350 is a wasteful number, since it uses less digits than its factorization.

13215144350 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 101420 (or 101415 counting only the distinct ones).

The product of its (nonzero) digits is 7200, while the sum is 29.

Adding to 13215144350 its reverse (5344151231), we get a palindrome (18559295581).

The spelling of 13215144350 in words is "thirteen billion, two hundred fifteen million, one hundred forty-four thousand, three hundred fifty".