131204440342401 has 16 divisors (see below), whose sum is σ = 175747201823808. Its totient is φ = 87066310284800.

The previous prime is 131204440342301. The next prime is 131204440342483. The reversal of 131204440342401 is 104243044402131.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 131204440342401 - 2⁹ = 131204440341889 is a prime.

It is not an unprimeable number, because it can be changed into a prime (131204440342301) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 81376920 + ... + 82973561.

It is an arithmetic number, because the mean of its divisors is an integer number (10984200113988).

Almost surely, 2^{131204440342401} is an apocalyptic number.

It is an amenable number.

131204440342401 is a deficient number, since it is larger than the sum of its proper divisors (44542761481407).

131204440342401 is a wasteful number, since it uses less digits than its factorization.

131204440342401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 164351712.

The product of its (nonzero) digits is 36864, while the sum is 33.

Adding to 131204440342401 its reverse (104243044402131), we get a palindrome (235447484744532).

The spelling of 131204440342401 in words is "one hundred thirty-one trillion, two hundred four billion, four hundred forty million, three hundred forty-two thousand, four hundred one".