131044404122402 has 16 divisors (see below), whose sum is σ = 196644290008320. Its totient is φ = 65496308113248.

The previous prime is 131044404122389. The next prime is 131044404122417. The reversal of 131044404122402 is 204221404440131.

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 7 ways as a sum of consecutive naturals, for example, 636136823 + ... + 636342789.

It is an arithmetic number, because the mean of its divisors is an integer number (12290268125520).

Almost surely, 2^{131044404122402} is an apocalyptic number.

131044404122402 is a deficient number, since it is larger than the sum of its proper divisors (65599885885918).

131044404122402 is a wasteful number, since it uses less digits than its factorization.

131044404122402 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 330145.

The product of its (nonzero) digits is 24576, while the sum is 32.

Adding to 131044404122402 its reverse (204221404440131), we get a palindrome (335265808562533).

The spelling of 131044404122402 in words is "one hundred thirty-one trillion, forty-four billion, four hundred four million, one hundred twenty-two thousand, four hundred two".