31013112303103 has 6 divisors (see below), whose sum is σ = 36076477577136. Its totient is φ = 26582667688332.

The previous prime is 31013112303071. The next prime is 31013112303143. The reversal of 31013112303103 is 30130321131013.

It is not a de Polignac number, because 31013112303103 - 2⁵ = 31013112303071 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31013112303143) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 316460329575 + ... + 316460329672.

It is an arithmetic number, because the mean of its divisors is an integer number (6012746262856).

Almost surely, 2^{31013112303103} is an apocalyptic number.

31013112303103 is a deficient number, since it is larger than the sum of its proper divisors (5063365274033).

31013112303103 is an equidigital number, since it uses as much as digits as its factorization.

31013112303103 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 632920659261 (or 632920659254 counting only the distinct ones).

The product of its (nonzero) digits is 486, while the sum is 22.

Adding to 31013112303103 its reverse (30130321131013), we get a palindrome (61143433434116).

The spelling of 31013112303103 in words is "thirty-one trillion, thirteen billion, one hundred twelve million, three hundred three thousand, one hundred three".