101612231 has 6 divisors (see below), whose sum is σ = 118202040. Its totient is φ = 87096156.

The previous prime is 101612207. The next prime is 101612233. The reversal of 101612231 is 132216101.

It is not a de Polignac number, because 101612231 - 2¹⁸ = 101350087 is a prime.

It is a super-2 number, since 2×101612231² = 20650090977594722, 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 (101612233) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1036811 + ... + 1036908.

It is an arithmetic number, because the mean of its divisors is an integer number (19700340).

Almost surely, 2^101612231 is an apocalyptic number.

101612231 is a deficient number, since it is larger than the sum of its proper divisors (16589809).

101612231 is an equidigital number, since it uses as much as digits as its factorization.

101612231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2073733 (or 2073726 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 17.

The square root of 101612231 is about 10080.2892319616. The cubic root of 101612231 is about 466.6400345913.

Adding to 101612231 its reverse (132216101), we get a palindrome (233828332).

The spelling of 101612231 in words is "one hundred one million, six hundred twelve thousand, two hundred thirty-one".