131224342 has 8 divisors (see below), whose sum is σ = 196952616. Its totient is φ = 65573472.

The previous prime is 131224339. The next prime is 131224399. The reversal of 131224342 is 243422131.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14908 + ... + 22015.

It is an arithmetic number, because the mean of its divisors is an integer number (24619077).

Almost surely, 2^131224342 is an apocalyptic number.

131224342 is a deficient number, since it is larger than the sum of its proper divisors (65728274).

131224342 is a wasteful number, since it uses less digits than its factorization.

131224342 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38702.

The product of its digits is 1152, while the sum is 22.

The square root of 131224342 is about 11455.3193757311. The cubic root of 131224342 is about 508.1650604426.

Adding to 131224342 its reverse (243422131), we get a palindrome (374646473).

The spelling of 131224342 in words is "one hundred thirty-one million, two hundred twenty-four thousand, three hundred forty-two".