13450233205431 has 72 divisors (see below), whose sum is σ = 21985678922480. Its totient is φ = 7911939720960.

The previous prime is 13450233205397. The next prime is 13450233205471.

13450233205431 is a `hidden beast` number, since 1 + 34 + 50 + 2 + 3 + 32 + 0 + 543 + 1 = 666.

13450233205431 is nontrivially palindromic in base 10.

It is not a de Polignac number, because 13450233205431 - 2²⁵ = 13450199650999 is a prime.

It is a super-2 number, since 2×13450233205431² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13450233205471) by changing a digit.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 16071756 + ... + 16887918.

Almost surely, 2^{13450233205431} is an apocalyptic number.

13450233205431 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

13450233205431 is a deficient number, since it is larger than the sum of its proper divisors (8535445717049).

13450233205431 is a wasteful number, since it uses less digits than its factorization.

13450233205431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 816637 (or 816623 counting only the distinct ones).

The product of its (nonzero) digits is 129600, while the sum is 36.

The spelling of 13450233205431 in words is "thirteen trillion, four hundred fifty billion, two hundred thirty-three million, two hundred five thousand, four hundred thirty-one".