31030112320043 has 2 divisors, whose sum is σ = 31030112320044. Its totient is φ = 31030112320042.

The previous prime is 31030112319989. The next prime is 31030112320057. The reversal of 31030112320043 is 34002321103013.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 31030112320043 - 2²² = 31030108125739 is a prime.

It is not a weakly prime, because it can be changed into another prime (31030112320063) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15515056160021 + 15515056160022.

It is an arithmetic number, because the mean of its divisors is an integer number (15515056160022).

Almost surely, 2^{31030112320043} is an apocalyptic number.

31030112320043 is a deficient number, since it is larger than the sum of its proper divisors (1).

31030112320043 is an equidigital number, since it uses as much as digits as its factorization.

31030112320043 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1296, while the sum is 23.

Adding to 31030112320043 its reverse (34002321103013), we get a palindrome (65032433423056).

The spelling of 31030112320043 in words is "thirty-one trillion, thirty billion, one hundred twelve million, three hundred twenty thousand, forty-three".