131204403401 has 8 divisors (see below), whose sum is σ = 131520973824. Its totient is φ = 130888195200.

The previous prime is 131204403349. The next prime is 131204403427. The reversal of 131204403401 is 104304402131.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-131204403401 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (131204403481) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 641876 + ... + 821226.

It is an arithmetic number, because the mean of its divisors is an integer number (16440121728).

Almost surely, 2^131204403401 is an apocalyptic number.

It is an amenable number.

131204403401 is a deficient number, since it is larger than the sum of its proper divisors (316570423).

131204403401 is a wasteful number, since it uses less digits than its factorization.

131204403401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 181111.

The product of its (nonzero) digits is 1152, while the sum is 23.

Adding to 131204403401 its reverse (104304402131), we get a palindrome (235508805532).

The spelling of 131204403401 in words is "one hundred thirty-one billion, two hundred four million, four hundred three thousand, four hundred one".