101000231 has 2 divisors, whose sum is σ = 101000232. Its totient is φ = 101000230.

The previous prime is 101000203. The next prime is 101000233. The reversal of 101000231 is 132000101.

It is a strong prime.

It is an emirp because it is prime and its reverse (132000101) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-101000231 is a prime.

It is a super-2 number, since 2×101000231² = 20402093324106722, which contains 22 as substring.

Together with 101000233, it forms a pair of twin primes.

It is a Chen prime.

101000231 is a modest number, since divided by 231 gives 101 as remainder.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (101000233) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50500115 + 50500116.

It is an arithmetic number, because the mean of its divisors is an integer number (50500116).

Almost surely, 2^101000231 is an apocalyptic number.

101000231 is a deficient number, since it is larger than the sum of its proper divisors (1).

101000231 is an equidigital number, since it uses as much as digits as its factorization.

101000231 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 6, while the sum is 8.

The square root of 101000231 is about 10049.8871137939. The cubic root of 101000231 is about 465.7013058195.

Adding to 101000231 its reverse (132000101), we get a palindrome (233000332).

The spelling of 101000231 in words is "one hundred one million, two hundred thirty-one", and thus it is an aban number.