131423432242244 has 48 divisors (see below), whose sum is σ = 239779671163200. Its totient is φ = 62973499814400.

The previous prime is 131423432242213. The next prime is 131423432242261. The reversal of 131423432242244 is 442242234324131.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (41).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7203779 + ... + 17740949.

It is an arithmetic number, because the mean of its divisors is an integer number (4995409815900).

Almost surely, 2^{131423432242244} is an apocalyptic number.

It is an amenable number.

131423432242244 is a deficient number, since it is larger than the sum of its proper divisors (108356238920956).

131423432242244 is a wasteful number, since it uses less digits than its factorization.

131423432242244 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10538564 (or 10538562 counting only the distinct ones).

The product of its digits is 884736, while the sum is 41.

Adding to 131423432242244 its reverse (442242234324131), we get a palindrome (573665666566375).

The spelling of 131423432242244 in words is "one hundred thirty-one trillion, four hundred twenty-three billion, four hundred thirty-two million, two hundred forty-two thousand, two hundred forty-four".