331125404521133 has 4 divisors (see below), whose sum is σ = 331128447978048. Its totient is φ = 331122361064220.

The previous prime is 331125404521123. The next prime is 331125404521141.

It is a happy number.

331125404521133 is nontrivially palindromic in base 10.

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 331125404521133 - 2²⁶ = 331125337412269 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (331125404521123) 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, 1521565253 + ... + 1521782858.

It is an arithmetic number, because the mean of its divisors is an integer number (82782111994512).

Almost surely, 2^{331125404521133} is an apocalyptic number.

It is an amenable number.

331125404521133 is a deficient number, since it is larger than the sum of its proper divisors (3043456915).

331125404521133 is a wasteful number, since it uses less digits than its factorization.

331125404521133 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3043456914.

The product of its (nonzero) digits is 129600, while the sum is 38.

It can be divided in two parts, 33112540 and 4521133, that added together give a palindrome (37633673).

The spelling of 331125404521133 in words is "three hundred thirty-one trillion, one hundred twenty-five billion, four hundred four million, five hundred twenty-one thousand, one hundred thirty-three".