131043243442 has 16 divisors (see below), whose sum is σ = 197373563712. Its totient is φ = 65252451600.

The previous prime is 131043243437. The next prime is 131043243451. The reversal of 131043243442 is 244342340131.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 568003 + ... + 764665.

It is an arithmetic number, because the mean of its divisors is an integer number (12335847732).

Almost surely, 2^131043243442 is an apocalyptic number.

131043243442 is a deficient number, since it is larger than the sum of its proper divisors (66330320270).

131043243442 is a wasteful number, since it uses less digits than its factorization.

131043243442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 198033.

The product of its (nonzero) digits is 27648, while the sum is 31.

Adding to 131043243442 its reverse (244342340131), we get a palindrome (375385583573).

The spelling of 131043243442 in words is "one hundred thirty-one billion, forty-three million, two hundred forty-three thousand, four hundred forty-two".