31231442022043 has 2 divisors, whose sum is σ = 31231442022044. Its totient is φ = 31231442022042.

The previous prime is 31231442022019. The next prime is 31231442022089. The reversal of 31231442022043 is 34022024413213.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 31231442022043 - 2⁹ = 31231442021531 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 31231442021996 and 31231442022014.

It is not a weakly prime, because it can be changed into another prime (31231442022743) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15615721011021 + 15615721011022.

It is an arithmetic number, because the mean of its divisors is an integer number (15615721011022).

Almost surely, 2^{31231442022043} is an apocalyptic number.

31231442022043 is a deficient number, since it is larger than the sum of its proper divisors (1).

31231442022043 is an equidigital number, since it uses as much as digits as its factorization.

31231442022043 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 27648, while the sum is 31.

Adding to 31231442022043 its reverse (34022024413213), we get a palindrome (65253466435256).

The spelling of 31231442022043 in words is "thirty-one trillion, two hundred thirty-one billion, four hundred forty-two million, twenty-two thousand, forty-three".