100231499 has 2 divisors, whose sum is σ = 100231500. Its totient is φ = 100231498.

The previous prime is 100231459. The next prime is 100231513. The reversal of 100231499 is 994132001.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-100231499 is a prime.

It is not a weakly prime, because it can be changed into another prime (100231459) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50115749 + 50115750.

It is an arithmetic number, because the mean of its divisors is an integer number (50115750).

Almost surely, 2^100231499 is an apocalyptic number.

100231499 is a deficient number, since it is larger than the sum of its proper divisors (1).

100231499 is an equidigital number, since it uses as much as digits as its factorization.

100231499 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1944, while the sum is 29.

The square root of 100231499 is about 10011.5682587695. The cubic root of 100231499 is about 464.5167817173.

The spelling of 100231499 in words is "one hundred million, two hundred thirty-one thousand, four hundred ninety-nine".