101858231 has 2 divisors, whose sum is σ = 101858232. Its totient is φ = 101858230.

The previous prime is 101858213. The next prime is 101858279. The reversal of 101858231 is 132858101.

Together with previous prime (101858213) it forms an Ormiston pair, because they use the same digits, order apart.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 101858231 - 2⁶ = 101858167 is a prime.

It is a super-2 number, since 2×101858231² = 20750198444898722, which contains 22 as substring.

It is a Sophie Germain prime.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 101858194 and 101858203.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (101858201) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50929115 + 50929116.

It is an arithmetic number, because the mean of its divisors is an integer number (50929116).

Almost surely, 2^101858231 is an apocalyptic number.

101858231 is a deficient number, since it is larger than the sum of its proper divisors (1).

101858231 is an equidigital number, since it uses as much as digits as its factorization.

101858231 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1920, while the sum is 29.

The square root of 101858231 is about 10092.4838865366. The cubic root of 101858231 is about 467.0163047006.

The spelling of 101858231 in words is "one hundred one million, eight hundred fifty-eight thousand, two hundred thirty-one".