31323411340443 has 6 divisors (see below), whose sum is σ = 45244927491764. Its totient is φ = 20882274226956.

The previous prime is 31323411340427. The next prime is 31323411340447. The reversal of 31323411340443 is 34404311432313.

31323411340443 is a `hidden beast` number, since 3 + 1 + 3 + 234 + 1 + 13 + 404 + 4 + 3 = 666.

It is not a de Polignac number, because 31323411340443 - 2⁴ = 31323411340427 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 31323411340398 and 31323411340407.

It is not an unprimeable number, because it can be changed into a prime (31323411340447) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1740189518905 + ... + 1740189518922.

Almost surely, 2^{31323411340443} is an apocalyptic number.

31323411340443 is a deficient number, since it is larger than the sum of its proper divisors (13921516151321).

31323411340443 is a wasteful number, since it uses less digits than its factorization.

31323411340443 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3480379037833 (or 3480379037830 counting only the distinct ones).

The product of its (nonzero) digits is 124416, while the sum is 36.

Adding to 31323411340443 its reverse (34404311432313), we get a palindrome (65727722772756).

The spelling of 31323411340443 in words is "thirty-one trillion, three hundred twenty-three billion, four hundred eleven million, three hundred forty thousand, four hundred forty-three".