31003202103 has 8 divisors (see below), whose sum is σ = 41472254208. Its totient is φ = 20601475704.

The previous prime is 31003202093. The next prime is 31003202117. The reversal of 31003202103 is 30120230013.

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

It is not a de Polignac number, because 31003202103 - 2¹³ = 31003193911 is a prime.

It is a super-2 number, since 2×31003202103² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31003202003) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16830351 + ... + 16832192.

It is an arithmetic number, because the mean of its divisors is an integer number (5184031776).

Almost surely, 2^31003202103 is an apocalyptic number.

31003202103 is a deficient number, since it is larger than the sum of its proper divisors (10469052105).

31003202103 is a wasteful number, since it uses less digits than its factorization.

31003202103 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33662853.

The product of its (nonzero) digits is 108, while the sum is 15.

Adding to 31003202103 its reverse (30120230013), we get a palindrome (61123432116).

The spelling of 31003202103 in words is "thirty-one billion, three million, two hundred two thousand, one hundred three".