31323302002103 has 4 divisors (see below), whose sum is σ = 31323881227128. Its totient is φ = 31322722777080.

The previous prime is 31323302002079. The next prime is 31323302002207. The reversal of 31323302002103 is 30120020332313.

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

It is a cyclic number.

It is not a de Polignac number, because 31323302002103 - 2⁶ = 31323302002039 is a prime.

It is a super-2 number, since 2×31323302002103² (a number of 28 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31323302002703) 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, 289531388 + ... + 289639553.

It is an arithmetic number, because the mean of its divisors is an integer number (7830970306782).

Almost surely, 2^{31323302002103} is an apocalyptic number.

31323302002103 is a deficient number, since it is larger than the sum of its proper divisors (579225025).

31323302002103 is an equidigital number, since it uses as much as digits as its factorization.

31323302002103 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 579225024.

The product of its (nonzero) digits is 1944, while the sum is 23.

Adding to 31323302002103 its reverse (30120020332313), we get a palindrome (61443322334416).

The spelling of 31323302002103 in words is "thirty-one trillion, three hundred twenty-three billion, three hundred two million, two thousand, one hundred three".