131233344033401 has 4 divisors (see below), whose sum is σ = 138952952505972. Its totient is φ = 123513735560832.

The previous prime is 131233344033371. The next prime is 131233344033413. The reversal of 131233344033401 is 104330443332131.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 42585752402176 + 88647591631225 = 6525776^2 + 9415285^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-131233344033401 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (131233344633401) 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, 3859804236260 + ... + 3859804236293.

It is an arithmetic number, because the mean of its divisors is an integer number (34738238126493).

Almost surely, 2^{131233344033401} is an apocalyptic number.

It is an amenable number.

131233344033401 is a deficient number, since it is larger than the sum of its proper divisors (7719608472571).

131233344033401 is an equidigital number, since it uses as much as digits as its factorization.

131233344033401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7719608472570.

The product of its (nonzero) digits is 93312, while the sum is 35.

Adding to 131233344033401 its reverse (104330443332131), we get a palindrome (235563787365532).

The spelling of 131233344033401 in words is "one hundred thirty-one trillion, two hundred thirty-three billion, three hundred forty-four million, thirty-three thousand, four hundred one".