13312233232431 has 64 divisors (see below), whose sum is σ = 20858615823360. Its totient is φ = 7392501365760.

The previous prime is 13312233232223. The next prime is 13312233232583. The reversal of 13312233232431 is 13423233221331.

It is not a de Polignac number, because 13312233232431 - 2¹³ = 13312233224239 is a prime.

It is a super-2 number, since 2×13312233232431² (a number of 27 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 13312233232392 and 13312233232401.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13312233232931) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 3589168605 + ... + 3589172313.

It is an arithmetic number, because the mean of its divisors is an integer number (325915872240).

Almost surely, 2^{13312233232431} is an apocalyptic number.

13312233232431 is a deficient number, since it is larger than the sum of its proper divisors (7546382590929).

13312233232431 is a wasteful number, since it uses less digits than its factorization.

13312233232431 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8064.

The product of its digits is 46656, while the sum is 33.

Adding to 13312233232431 its reverse (13423233221331), we get a palindrome (26735466453762).

It can be divided in two parts, 1331223 and 3232431, that added together give a palindrome (4563654).

The spelling of 13312233232431 in words is "thirteen trillion, three hundred twelve billion, two hundred thirty-three million, two hundred thirty-two thousand, four hundred thirty-one".