231320103 has 16 divisors (see below), whose sum is σ = 352704000. Its totient is φ = 132101856.

The previous prime is 231320101. The next prime is 231320107. The reversal of 231320103 is 301023132.

It is not a de Polignac number, because 231320103 - 2¹ = 231320101 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (231320101) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 55726 + ... + 59732.

It is an arithmetic number, because the mean of its divisors is an integer number (22044000).

Almost surely, 2^231320103 is an apocalyptic number.

231320103 is a deficient number, since it is larger than the sum of its proper divisors (121383897).

231320103 is a wasteful number, since it uses less digits than its factorization.

231320103 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6766.

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

The square root of 231320103 is about 15209.2111235264. The cubic root of 231320103 is about 613.8625309844.

Adding to 231320103 its reverse (301023132), we get a palindrome (532343235).

The spelling of 231320103 in words is "two hundred thirty-one million, three hundred twenty thousand, one hundred three".