131234342 has 4 divisors (see below), whose sum is σ = 196851516. Its totient is φ = 65617170.

The previous prime is 131234333. The next prime is 131234347. The reversal of 131234342 is 243432131.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 243432131 = 6089 ⋅39979.

It is a super-3 number, since 3×131234342³ (a number of 25 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131234347) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32808584 + ... + 32808587.

It is an arithmetic number, because the mean of its divisors is an integer number (49212879).

Almost surely, 2^131234342 is an apocalyptic number.

131234342 is a deficient number, since it is larger than the sum of its proper divisors (65617174).

131234342 is an equidigital number, since it uses as much as digits as its factorization.

131234342 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 65617173.

The product of its digits is 1728, while the sum is 23.

The square root of 131234342 is about 11455.7558458619. The cubic root of 131234342 is about 508.1779684175.

Adding to 131234342 its reverse (243432131), we get a palindrome (374666473).

The spelling of 131234342 in words is "one hundred thirty-one million, two hundred thirty-four thousand, three hundred forty-two".