2031310131043 has 2 divisors, whose sum is σ = 2031310131044. Its totient is φ = 2031310131042.

The previous prime is 2031310131031. The next prime is 2031310131083. The reversal of 2031310131043 is 3401310131302.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2031310131043 - 2²¹ = 2031308033891 is a prime.

It is not a weakly prime, because it can be changed into another prime (2031310131023) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1015655065521 + 1015655065522.

It is an arithmetic number, because the mean of its divisors is an integer number (1015655065522).

Almost surely, 2^{2031310131043} is an apocalyptic number.

2031310131043 is a deficient number, since it is larger than the sum of its proper divisors (1).

2031310131043 is an equidigital number, since it uses as much as digits as its factorization.

2031310131043 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 648, while the sum is 22.

Adding to 2031310131043 its reverse (3401310131302), we get a palindrome (5432620262345).

The spelling of 2031310131043 in words is "two trillion, thirty-one billion, three hundred ten million, one hundred thirty-one thousand, forty-three".