131343232420401 has 16 divisors (see below), whose sum is σ = 177439920364800. Its totient is φ = 86408215507328.

The previous prime is 131343232420297. The next prime is 131343232420447. The reversal of 131343232420401 is 104024232343131.

It is a cyclic number.

It is not a de Polignac number, because 131343232420401 - 2⁷ = 131343232420273 is a prime.

It is not an unprimeable number, because it can be changed into a prime (131343232420501) 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, 483088281 + ... + 483360086.

It is an arithmetic number, because the mean of its divisors is an integer number (11089995022800).

Almost surely, 2^{131343232420401} is an apocalyptic number.

It is an amenable number.

131343232420401 is a deficient number, since it is larger than the sum of its proper divisors (46096687944399).

131343232420401 is an equidigital number, since it uses as much as digits as its factorization.

131343232420401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 966448968.

The product of its (nonzero) digits is 41472, while the sum is 33.

Adding to 131343232420401 its reverse (104024232343131), we get a palindrome (235367464763532).

The spelling of 131343232420401 in words is "one hundred thirty-one trillion, three hundred forty-three billion, two hundred thirty-two million, four hundred twenty thousand, four hundred one".