101342431 has 4 divisors (see below), whose sum is σ = 102481200. Its totient is φ = 100203664.

The previous prime is 101342407. The next prime is 101342459. The reversal of 101342431 is 134243101.

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 101342431 - 2²³ = 92953823 is a prime.

It is a super-2 number, since 2×101342431² = 20540576641979522, 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 = 101342399 and 101342408.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (101342231) 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, 569251 + ... + 569428.

It is an arithmetic number, because the mean of its divisors is an integer number (25620300).

Almost surely, 2^101342431 is an apocalyptic number.

101342431 is a deficient number, since it is larger than the sum of its proper divisors (1138769).

101342431 is an equidigital number, since it uses as much as digits as its factorization.

101342431 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1138768.

The product of its (nonzero) digits is 288, while the sum is 19.

The square root of 101342431 is about 10066.8977843226. The cubic root of 101342431 is about 466.2266621922.

Adding to 101342431 its reverse (134243101), we get a palindrome (235585532).

The spelling of 101342431 in words is "one hundred one million, three hundred forty-two thousand, four hundred thirty-one".