31223302002103 has 4 divisors (see below), whose sum is σ = 31344793449840. Its totient is φ = 31101810554368.

The previous prime is 31223302002097. The next prime is 31223302002143. The reversal of 31223302002103 is 30120020332213.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-31223302002103 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 (31223302002143) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 60745723483 + ... + 60745723996.

It is an arithmetic number, because the mean of its divisors is an integer number (7836198362460).

Almost surely, 2^{31223302002103} is an apocalyptic number.

31223302002103 is a deficient number, since it is larger than the sum of its proper divisors (121491447737).

31223302002103 is a wasteful number, since it uses less digits than its factorization.

31223302002103 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 121491447736.

The product of its (nonzero) digits is 1296, while the sum is 22.

Adding to 31223302002103 its reverse (30120020332213), we get a palindrome (61343322334316).

The spelling of 31223302002103 in words is "thirty-one trillion, two hundred twenty-three billion, three hundred two million, two thousand, one hundred three".