31110113020043 has 2 divisors, whose sum is σ = 31110113020044. Its totient is φ = 31110113020042.

The previous prime is 31110113020003. The next prime is 31110113020069. The reversal of 31110113020043 is 34002031101113.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 31110113020043 - 2²⁸ = 31109844584587 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 31110113019997 and 31110113020024.

It is not a weakly prime, because it can be changed into another prime (31110113020003) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15555056510021 + 15555056510022.

It is an arithmetic number, because the mean of its divisors is an integer number (15555056510022).

Almost surely, 2^{31110113020043} is an apocalyptic number.

31110113020043 is a deficient number, since it is larger than the sum of its proper divisors (1).

31110113020043 is an equidigital number, since it uses as much as digits as its factorization.

31110113020043 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 216, while the sum is 20.

Adding to 31110113020043 its reverse (34002031101113), we get a palindrome (65112144121156).

The spelling of 31110113020043 in words is "thirty-one trillion, one hundred ten billion, one hundred thirteen million, twenty thousand, forty-three".