131601422 has 8 divisors (see below), whose sum is σ = 197665176. Its totient is φ = 65713032.

The previous prime is 131601413. The next prime is 131601427. The reversal of 131601422 is 224106131.

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

It is a super-3 number, since 3×131601422³ (a number of 25 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 131601394 and 131601403.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131601427) 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, 41948 + ... + 44975.

It is an arithmetic number, because the mean of its divisors is an integer number (24708147).

Almost surely, 2^131601422 is an apocalyptic number.

131601422 is a deficient number, since it is larger than the sum of its proper divisors (66063754).

131601422 is an equidigital number, since it uses as much as digits as its factorization.

131601422 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 87682.

The product of its (nonzero) digits is 288, while the sum is 20.

The square root of 131601422 is about 11471.7662981775. The cubic root of 131601422 is about 508.6513412353.

Adding to 131601422 its reverse (224106131), we get a palindrome (355707553).

The spelling of 131601422 in words is "one hundred thirty-one million, six hundred one thousand, four hundred twenty-two".