131244131342 has 4 divisors (see below), whose sum is σ = 196866197016. Its totient is φ = 65622065670.

The previous prime is 131244131297. The next prime is 131244131407. The reversal of 131244131342 is 243131442131.

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

It is a super-2 number, since 2×131244131342² (a number of 23 digits) contains 22 as substring.

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, 32811032834 + ... + 32811032837.

It is an arithmetic number, because the mean of its divisors is an integer number (49216549254).

Almost surely, 2^131244131342 is an apocalyptic number.

131244131342 is a deficient number, since it is larger than the sum of its proper divisors (65622065674).

131244131342 is an equidigital number, since it uses as much as digits as its factorization.

131244131342 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 65622065673.

The product of its digits is 6912, while the sum is 29.

Adding to 131244131342 its reverse (243131442131), we get a palindrome (374375573473).

The spelling of 131244131342 in words is "one hundred thirty-one billion, two hundred forty-four million, one hundred thirty-one thousand, three hundred forty-two".