101030231 has 4 divisors (see below), whose sum is σ = 102453264. Its totient is φ = 99607200.

The previous prime is 101030207. The next prime is 101030233. The reversal of 101030231 is 132030101.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-101030231 is a prime.

It is a super-2 number, since 2×101030231² = 20414215151826722, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (101030233) 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, 711410 + ... + 711551.

It is an arithmetic number, because the mean of its divisors is an integer number (25613316).

Almost surely, 2^101030231 is an apocalyptic number.

101030231 is a deficient number, since it is larger than the sum of its proper divisors (1423033).

101030231 is an equidigital number, since it uses as much as digits as its factorization.

101030231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1423032.

The product of its (nonzero) digits is 18, while the sum is 11.

The square root of 101030231 is about 10051.3795570558. The cubic root of 101030231 is about 465.7474101897.

Adding to 101030231 its reverse (132030101), we get a palindrome (233060332).

The spelling of 101030231 in words is "one hundred one million, thirty thousand, two hundred thirty-one".