331402241400133 has 4 divisors (see below), whose sum is σ = 331442087776300. Its totient is φ = 331362395023968.

The previous prime is 331402241400079. The next prime is 331402241400161. The reversal of 331402241400133 is 331004142204133.

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 220397094733729 + 111005146666404 = 14845777^2 + 10535898^2 .

It is a cyclic number.

It is not a de Polignac number, because 331402241400133 - 2²⁹ = 331401704529221 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 331402241400095 and 331402241400104.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (331402241403133) 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, 19923175608 + ... + 19923192241.

It is an arithmetic number, because the mean of its divisors is an integer number (82860521944075).

Almost surely, 2^{331402241400133} is an apocalyptic number.

It is an amenable number.

331402241400133 is a deficient number, since it is larger than the sum of its proper divisors (39846376167).

331402241400133 is an equidigital number, since it uses as much as digits as its factorization.

331402241400133 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39846376166.

The product of its (nonzero) digits is 20736, while the sum is 31.

Adding to 331402241400133 its reverse (331004142204133), we get a palindrome (662406383604266).

The spelling of 331402241400133 in words is "three hundred thirty-one trillion, four hundred two billion, two hundred forty-one million, four hundred thousand, one hundred thirty-three".