131120342 has 4 divisors (see below), whose sum is σ = 196680516. Its totient is φ = 65560170.

The previous prime is 131120257. The next prime is 131120413. The reversal of 131120342 is 243021131.

131120342 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 243021131 = 29 ⋅8380039.

It is a self number, because there is not a number n which added to its sum of digits gives 131120342.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32780084 + ... + 32780087.

It is an arithmetic number, because the mean of its divisors is an integer number (49170129).

Almost surely, 2^131120342 is an apocalyptic number.

131120342 is a deficient number, since it is larger than the sum of its proper divisors (65560174).

131120342 is an equidigital number, since it uses as much as digits as its factorization.

131120342 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 65560173.

The product of its (nonzero) digits is 144, while the sum is 17.

The square root of 131120342 is about 11450.7791001311. The cubic root of 131120342 is about 508.0307786134.

Adding to 131120342 its reverse (243021131), we get a palindrome (374141473).

The spelling of 131120342 in words is "one hundred thirty-one million, one hundred twenty thousand, three hundred forty-two".