101231471 has 4 divisors (see below), whose sum is σ = 110434344. Its totient is φ = 92028600.

The previous prime is 101231437. The next prime is 101231477. The reversal of 101231471 is 174132101.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 101231471 - 2⁶ = 101231407 is a prime.

It is a super-3 number, since 3×101231471³ (a number of 25 digits) contains 333 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 (101231477) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4601420 + ... + 4601441.

It is an arithmetic number, because the mean of its divisors is an integer number (27608586).

Almost surely, 2^101231471 is an apocalyptic number.

101231471 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

101231471 is a deficient number, since it is larger than the sum of its proper divisors (9202873).

101231471 is an equidigital number, since it uses as much as digits as its factorization.

101231471 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9202872.

The product of its (nonzero) digits is 168, while the sum is 20.

The square root of 101231471 is about 10061.3851432097. The cubic root of 101231471 is about 466.0564425975.

Adding to 101231471 its reverse (174132101), we get a palindrome (275363572).

The spelling of 101231471 in words is "one hundred one million, two hundred thirty-one thousand, four hundred seventy-one".