31202113103 has 8 divisors (see below), whose sum is σ = 36110945280. Its totient is φ = 26406127800.

The previous prime is 31202113097. The next prime is 31202113133. The reversal of 31202113103 is 30131120213.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 31202113103 - 2²⁰ = 31201064527 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 (31202113133) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 28211123 + ... + 28212228.

It is an arithmetic number, because the mean of its divisors is an integer number (4513868160).

Almost surely, 2^31202113103 is an apocalyptic number.

31202113103 is a deficient number, since it is larger than the sum of its proper divisors (4908832177).

31202113103 is an equidigital number, since it uses as much as digits as its factorization.

31202113103 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 56423437.

The product of its (nonzero) digits is 108, while the sum is 17.

Adding to 31202113103 its reverse (30131120213), we get a palindrome (61333233316).

The spelling of 31202113103 in words is "thirty-one billion, two hundred two million, one hundred thirteen thousand, one hundred three".