103421231 has 2 divisors, whose sum is σ = 103421232. Its totient is φ = 103421230.

The previous prime is 103421203. The next prime is 103421249. The reversal of 103421231 is 132124301.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 103421231 - 2²² = 99226927 is a prime.

It is a super-2 number, since 2×103421231² = 21391902043110722, which contains 22 as substring.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (103421261) 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 as a sum of consecutive naturals, namely, 51710615 + 51710616.

It is an arithmetic number, because the mean of its divisors is an integer number (51710616).

Almost surely, 2^103421231 is an apocalyptic number.

103421231 is a deficient number, since it is larger than the sum of its proper divisors (1).

103421231 is an equidigital number, since it uses as much as digits as its factorization.

103421231 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 144, while the sum is 17.

The square root of 103421231 is about 10169.6229526959. The cubic root of 103421231 is about 469.3929555372.

Adding to 103421231 its reverse (132124301), we get a palindrome (235545532).

The spelling of 103421231 in words is "one hundred three million, four hundred twenty-one thousand, two hundred thirty-one".