31002231103 has 2 divisors, whose sum is σ = 31002231104. Its totient is φ = 31002231102.

The previous prime is 31002231077. The next prime is 31002231157. The reversal of 31002231103 is 30113220013.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-31002231103 is a prime.

It is a super-2 number, since 2×31002231103² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (31002231703) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15501115551 + 15501115552.

It is an arithmetic number, because the mean of its divisors is an integer number (15501115552).

Almost surely, 2^31002231103 is an apocalyptic number.

31002231103 is a deficient number, since it is larger than the sum of its proper divisors (1).

31002231103 is an equidigital number, since it uses as much as digits as its factorization.

31002231103 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 108, while the sum is 16.

Adding to 31002231103 its reverse (30113220013), we get a palindrome (61115451116).

The spelling of 31002231103 in words is "thirty-one billion, two million, two hundred thirty-one thousand, one hundred three".