101431327 has 4 divisors (see below), whose sum is σ = 101886400. Its totient is φ = 100976256.

The previous prime is 101431313. The next prime is 101431397. The reversal of 101431327 is 723134101.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 723134101 = 149 ⋅4853249.

It is a cyclic number.

It is not a de Polignac number, because 101431327 - 2¹⁹ = 100907039 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 101431298 and 101431307.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (101431307) 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, 227202 + ... + 227647.

It is an arithmetic number, because the mean of its divisors is an integer number (25471600).

Almost surely, 2^101431327 is an apocalyptic number.

101431327 is a deficient number, since it is larger than the sum of its proper divisors (455073).

101431327 is an equidigital number, since it uses as much as digits as its factorization.

101431327 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 455072.

The product of its (nonzero) digits is 504, while the sum is 22.

The square root of 101431327 is about 10071.3120793668. The cubic root of 101431327 is about 466.3629446041.

Adding to 101431327 its reverse (723134101), we get a palindrome (824565428).

The spelling of 101431327 in words is "one hundred one million, four hundred thirty-one thousand, three hundred twenty-seven".