103131223 has 4 divisors (see below), whose sum is σ = 111064408. Its totient is φ = 95198040.

The previous prime is 103131211. The next prime is 103131229. The reversal of 103131223 is 322131301.

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 103131223 - 2⁹ = 103130711 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 103131197 and 103131206.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (103131229) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3966573 + ... + 3966598.

It is an arithmetic number, because the mean of its divisors is an integer number (27766102).

Almost surely, 2^103131223 is an apocalyptic number.

103131223 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

103131223 is a deficient number, since it is larger than the sum of its proper divisors (7933185).

103131223 is an equidigital number, since it uses as much as digits as its factorization.

103131223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7933184.

The product of its (nonzero) digits is 108, while the sum is 16.

The square root of 103131223 is about 10155.3544005121. The cubic root of 103131223 is about 468.9537963495.

Adding to 103131223 its reverse (322131301), we get a palindrome (425262524).

The spelling of 103131223 in words is "one hundred three million, one hundred thirty-one thousand, two hundred twenty-three".