31324112120103 has 16 divisors (see below), whose sum is σ = 45564735158400. Its totient is φ = 18983314435680.

The previous prime is 31324112120071. The next prime is 31324112120131. The reversal of 31324112120103 is 30102121142313.

It is not a de Polignac number, because 31324112120103 - 2⁵ = 31324112120071 is a prime.

It is a super-3 number, since 3×31324112120103³ (a number of 41 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31324112620103) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 24259693 + ... + 25518246.

It is an arithmetic number, because the mean of its divisors is an integer number (2847795947400).

Almost surely, 2^{31324112120103} is an apocalyptic number.

31324112120103 is a gapful number since it is divisible by the number (33) formed by its first and last digit.

31324112120103 is a deficient number, since it is larger than the sum of its proper divisors (14240623038297).

31324112120103 is a wasteful number, since it uses less digits than its factorization.

31324112120103 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49797022.

The product of its (nonzero) digits is 864, while the sum is 24.

Adding to 31324112120103 its reverse (30102121142313), we get a palindrome (61426233262416).

The spelling of 31324112120103 in words is "thirty-one trillion, three hundred twenty-four billion, one hundred twelve million, one hundred twenty thousand, one hundred three".