13450431215 has 16 divisors (see below), whose sum is σ = 17392663008. Its totient is φ = 9926587776.

The previous prime is 13450431199. The next prime is 13450431251. The reversal of 13450431215 is 51213405431.

It is a cyclic number.

It is not a de Polignac number, because 13450431215 - 2⁴ = 13450431199 is a prime.

It is a Duffinian number.

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 15 ways as a sum of consecutive naturals, for example, 46289 + ... + 170421.

It is an arithmetic number, because the mean of its divisors is an integer number (1087041438).

Almost surely, 2^13450431215 is an apocalyptic number.

13450431215 is a deficient number, since it is larger than the sum of its proper divisors (3942231793).

13450431215 is a wasteful number, since it uses less digits than its factorization.

13450431215 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 125818.

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

Adding to 13450431215 its reverse (51213405431), we get a palindrome (64663836646).

The spelling of 13450431215 in words is "thirteen billion, four hundred fifty million, four hundred thirty-one thousand, two hundred fifteen".