31442130263 has 2 divisors, whose sum is σ = 31442130264. Its totient is φ = 31442130262.

The previous prime is 31442130163. The next prime is 31442130323. The reversal of 31442130263 is 36203124413.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 31442130263 - 2⁸ = 31442130007 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (31442130163) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15721065131 + 15721065132.

It is an arithmetic number, because the mean of its divisors is an integer number (15721065132).

Almost surely, 2^31442130263 is an apocalyptic number.

31442130263 is a deficient number, since it is larger than the sum of its proper divisors (1).

31442130263 is an equidigital number, since it uses as much as digits as its factorization.

31442130263 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 10368, while the sum is 29.

Adding to 31442130263 its reverse (36203124413), we get a palindrome (67645254676).

The spelling of 31442130263 in words is "thirty-one billion, four hundred forty-two million, one hundred thirty thousand, two hundred sixty-three".