131330025542 has 4 divisors (see below), whose sum is σ = 196995038316. Its totient is φ = 65665012770.

The previous prime is 131330025539. The next prime is 131330025569. The reversal of 131330025542 is 245520033131.

It is a happy number.

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 (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32832506384 + ... + 32832506387.

It is an arithmetic number, because the mean of its divisors is an integer number (49248759579).

Almost surely, 2^131330025542 is an apocalyptic number.

131330025542 is a deficient number, since it is larger than the sum of its proper divisors (65665012774).

131330025542 is an equidigital number, since it uses as much as digits as its factorization.

131330025542 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 65665012773.

The product of its (nonzero) digits is 10800, while the sum is 29.

Adding to 131330025542 its reverse (245520033131), we get a palindrome (376850058673).

The spelling of 131330025542 in words is "one hundred thirty-one billion, three hundred thirty million, twenty-five thousand, five hundred forty-two".