101227431 has 8 divisors (see below), whose sum is σ = 139323904. Its totient is φ = 65307960.

The previous prime is 101227411. The next prime is 101227433. The reversal of 101227431 is 134722101.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 101227431 - 2⁹ = 101226919 is a prime.

It is a super-2 number, since 2×101227431² = 20493985573719522, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 101227398 and 101227407.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (101227433) 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 7 ways as a sum of consecutive naturals, for example, 544141 + ... + 544326.

It is an arithmetic number, because the mean of its divisors is an integer number (17415488).

Almost surely, 2^101227431 is an apocalyptic number.

101227431 is a deficient number, since it is larger than the sum of its proper divisors (38096473).

101227431 is a wasteful number, since it uses less digits than its factorization.

101227431 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1088501.

The product of its (nonzero) digits is 336, while the sum is 21.

The square root of 101227431 is about 10061.1843736212. The cubic root of 101227431 is about 466.0502426380.

Adding to 101227431 its reverse (134722101), we get a palindrome (235949532).

The spelling of 101227431 in words is "one hundred one million, two hundred twenty-seven thousand, four hundred thirty-one".