31233230103 has 4 divisors (see below), whose sum is σ = 41644306808. Its totient is φ = 20822153400.

The previous prime is 31233230099. The next prime is 31233230113. The reversal of 31233230103 is 30103233213.

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

It is not a de Polignac number, because 31233230103 - 2² = 31233230099 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 31233230103.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31233230113) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5205538348 + ... + 5205538353.

It is an arithmetic number, because the mean of its divisors is an integer number (10411076702).

Almost surely, 2^31233230103 is an apocalyptic number.

31233230103 is a deficient number, since it is larger than the sum of its proper divisors (10411076705).

31233230103 is a wasteful number, since it uses less digits than its factorization.

31233230103 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10411076704.

The product of its (nonzero) digits is 972, while the sum is 21.

Adding to 31233230103 its reverse (30103233213), we get a palindrome (61336463316).

The spelling of 31233230103 in words is "thirty-one billion, two hundred thirty-three million, two hundred thirty thousand, one hundred three".