103231087 has 2 divisors, whose sum is σ = 103231088. Its totient is φ = 103231086.

The previous prime is 103231069. The next prime is 103231091. The reversal of 103231087 is 780132301.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-103231087 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (103231027) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 51615543 + 51615544.

It is an arithmetic number, because the mean of its divisors is an integer number (51615544).

Almost surely, 2^103231087 is an apocalyptic number.

103231087 is a deficient number, since it is larger than the sum of its proper divisors (1).

103231087 is an equidigital number, since it uses as much as digits as its factorization.

103231087 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1008, while the sum is 25.

The square root of 103231087 is about 10160.2700259393. The cubic root of 103231087 is about 469.1051132597.

Adding to 103231087 its reverse (780132301), we get a palindrome (883363388).

The spelling of 103231087 in words is "one hundred three million, two hundred thirty-one thousand, eighty-seven".