131424230431401 has 4 divisors (see below), whose sum is σ = 175232307241872. Its totient is φ = 87616153620932.

The previous prime is 131424230431397. The next prime is 131424230431411. The reversal of 131424230431401 is 104134032424131.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 131424230431401 - 2² = 131424230431397 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (131424230431411) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 21904038405231 + ... + 21904038405236.

It is an arithmetic number, because the mean of its divisors is an integer number (43808076810468).

Almost surely, 2^{131424230431401} is an apocalyptic number.

It is an amenable number.

131424230431401 is a deficient number, since it is larger than the sum of its proper divisors (43808076810471).

131424230431401 is an equidigital number, since it uses as much as digits as its factorization.

131424230431401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43808076810470.

The product of its (nonzero) digits is 27648, while the sum is 33.

Adding to 131424230431401 its reverse (104134032424131), we get a palindrome (235558262855532).

The spelling of 131424230431401 in words is "one hundred thirty-one trillion, four hundred twenty-four billion, two hundred thirty million, four hundred thirty-one thousand, four hundred one".