13313304231431 has 16 divisors (see below), whose sum is σ = 13358971422720. Its totient is φ = 13267716665280.

The previous prime is 13313304231421. The next prime is 13313304231443. The reversal of 13313304231431 is 13413240331331.

It is a happy number.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-13313304231431 is a prime.

It is a super-2 number, since 2×13313304231431² (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 (13313304231421) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1941560555 + ... + 1941567411.

It is an arithmetic number, because the mean of its divisors is an integer number (834935713920).

Almost surely, 2^{13313304231431} is an apocalyptic number.

13313304231431 is a deficient number, since it is larger than the sum of its proper divisors (45667191289).

13313304231431 is a wasteful number, since it uses less digits than its factorization.

13313304231431 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11734.

The product of its (nonzero) digits is 23328, while the sum is 32.

Adding to 13313304231431 its reverse (13413240331331), we get a palindrome (26726544562762).

The spelling of 13313304231431 in words is "thirteen trillion, three hundred thirteen billion, three hundred four million, two hundred thirty-one thousand, four hundred thirty-one".