131222341 has 8 divisors (see below), whose sum is σ = 138245120. Its totient is φ = 124211232.

The previous prime is 131222323. The next prime is 131222353. The reversal of 131222341 is 143222131.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 131222341 - 2¹¹ = 131220293 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (19).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131222321) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 29521 + ... + 33673.

It is an arithmetic number, because the mean of its divisors is an integer number (17280640).

Almost surely, 2^131222341 is an apocalyptic number.

It is an amenable number.

131222341 is a deficient number, since it is larger than the sum of its proper divisors (7022779).

131222341 is a wasteful number, since it uses less digits than its factorization.

131222341 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5835.

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

The square root of 131222341 is about 11455.2320360611. The cubic root of 131222341 is about 508.1624774781.

Adding to 131222341 its reverse (143222131), we get a palindrome (274444472).

It can be divided in two parts, 1312 and 22341, that multiplied together give a palindrome (29311392).

The spelling of 131222341 in words is "one hundred thirty-one million, two hundred twenty-two thousand, three hundred forty-one".