131441522042 has 4 divisors (see below), whose sum is σ = 197162283066. Its totient is φ = 65720761020.

The previous prime is 131441522011. The next prime is 131441522071. The reversal of 131441522042 is 240225144131.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 125146845121 + 6294676921 = 353761^2 + 79339^2 .

It is a junction number, because it is equal to n+sod(n) for n = 131441521996 and 131441522014.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32860380509 + ... + 32860380512.

Almost surely, 2^131441522042 is an apocalyptic number.

131441522042 is a deficient number, since it is larger than the sum of its proper divisors (65720761024).

131441522042 is an equidigital number, since it uses as much as digits as its factorization.

131441522042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 65720761023.

The product of its (nonzero) digits is 7680, while the sum is 29.

Adding to 131441522042 its reverse (240225144131), we get a palindrome (371666666173).

The spelling of 131441522042 in words is "one hundred thirty-one billion, four hundred forty-one million, five hundred twenty-two thousand, forty-two".