131242022 has 4 divisors (see below), whose sum is σ = 196863036. Its totient is φ = 65621010.

The previous prime is 131241959. The next prime is 131242037. The reversal of 131242022 is 220242131.

131242022 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.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32810504 + ... + 32810507.

It is an arithmetic number, because the mean of its divisors is an integer number (49215759).

Almost surely, 2^131242022 is an apocalyptic number.

131242022 is a deficient number, since it is larger than the sum of its proper divisors (65621014).

131242022 is an equidigital number, since it uses as much as digits as its factorization.

131242022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 65621013.

The product of its (nonzero) digits is 192, while the sum is 17.

The square root of 131242022 is about 11456.0910436326. The cubic root of 131242022 is about 508.1878812970.

Adding to 131242022 its reverse (220242131), we get a palindrome (351484153).

It can be divided in two parts, 1312 and 42022, that added together give a palindrome (43334).

The spelling of 131242022 in words is "one hundred thirty-one million, two hundred forty-two thousand, twenty-two".