131343231241401 has 4 divisors (see below), whose sum is σ = 175124308321872. Its totient is φ = 87562154160932.

The previous prime is 131343231241367. The next prime is 131343231241427. The reversal of 131343231241401 is 104142132343131.

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 131343231241401 - 2²⁷ = 131343097023673 is a prime.

It is not an unprimeable number, because it can be changed into a prime (131343231241471) 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, 21890538540231 + ... + 21890538540236.

It is an arithmetic number, because the mean of its divisors is an integer number (43781077080468).

Almost surely, 2^{131343231241401} is an apocalyptic number.

It is an amenable number.

131343231241401 is a deficient number, since it is larger than the sum of its proper divisors (43781077080471).

131343231241401 is an equidigital number, since it uses as much as digits as its factorization.

131343231241401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43781077080470.

The product of its (nonzero) digits is 20736, while the sum is 33.

Adding to 131343231241401 its reverse (104142132343131), we get a palindrome (235485363584532).

The spelling of 131343231241401 in words is "one hundred thirty-one trillion, three hundred forty-three billion, two hundred thirty-one million, two hundred forty-one thousand, four hundred one".