13432320232331 has 32 divisors (see below), whose sum is σ = 18184053167616. Its totient is φ = 9661608871200.

The previous prime is 13432320232313. The next prime is 13432320232337. The reversal of 13432320232331 is 13323202323431.

It is not a de Polignac number, because 13432320232331 - 2¹⁰ = 13432320231307 is a prime.

It is a super-2 number, since 2×13432320232331² (a number of 27 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (13432320232337) 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 31 ways as a sum of consecutive naturals, for example, 55328885 + ... + 55571126.

It is an arithmetic number, because the mean of its divisors is an integer number (568251661488).

Almost surely, 2^{13432320232331} is an apocalyptic number.

13432320232331 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

13432320232331 is a deficient number, since it is larger than the sum of its proper divisors (4751732935285).

13432320232331 is a wasteful number, since it uses less digits than its factorization.

13432320232331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 110900064 (or 110900042 counting only the distinct ones).

The product of its (nonzero) digits is 46656, while the sum is 32.

Adding to 13432320232331 its reverse (13323202323431), we get a palindrome (26755522555762).

Subtracting from 13432320232331 its reverse (13323202323431), we obtain a square (109117908900 = 330330²).

The spelling of 13432320232331 in words is "thirteen trillion, four hundred thirty-two billion, three hundred twenty million, two hundred thirty-two thousand, three hundred thirty-one".