13201432431 has 16 divisors (see below), whose sum is σ = 19378254720. Its totient is φ = 7927463520.

The previous prime is 13201432421. The next prime is 13201432457. The reversal of 13201432431 is 13423410231.

It is a happy number.

It is not a de Polignac number, because 13201432431 - 2¹⁵ = 13201399663 is a prime.

It is a super-2 number, since 2×13201432431² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13201432421) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1831465 + ... + 1838658.

It is an arithmetic number, because the mean of its divisors is an integer number (1211140920).

Almost surely, 2^13201432431 is an apocalyptic number.

13201432431 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

13201432431 is a deficient number, since it is larger than the sum of its proper divisors (6176822289).

13201432431 is a wasteful number, since it uses less digits than its factorization.

13201432431 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3670246.

The product of its (nonzero) digits is 1728, while the sum is 24.

Adding to 13201432431 its reverse (13423410231), we get a palindrome (26624842662).

The spelling of 13201432431 in words is "thirteen billion, two hundred one million, four hundred thirty-two thousand, four hundred thirty-one".