131440100023442 has 32 divisors (see below), whose sum is σ = 225909656294400. Its totient is φ = 56185534611648.

The previous prime is 131440100023403. The next prime is 131440100023459. The reversal of 131440100023442 is 244320001044131.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 307534463 + ... + 307961565.

It is an arithmetic number, because the mean of its divisors is an integer number (7059676759200).

Almost surely, 2^{131440100023442} is an apocalyptic number.

131440100023442 is a deficient number, since it is larger than the sum of its proper divisors (94469556270958).

131440100023442 is a wasteful number, since it uses less digits than its factorization.

131440100023442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 484010.

The product of its (nonzero) digits is 9216, while the sum is 29.

Adding to 131440100023442 its reverse (244320001044131), we get a palindrome (375760101067573).

The spelling of 131440100023442 in words is "one hundred thirty-one trillion, four hundred forty billion, one hundred million, twenty-three thousand, four hundred forty-two".