331041921407 has 4 divisors (see below), whose sum is σ = 332775125376. Its totient is φ = 329308717440.

The previous prime is 331041921341. The next prime is 331041921433. The reversal of 331041921407 is 704129140133.

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

It is a cyclic number.

It is not a de Polignac number, because 331041921407 - 2²⁸ = 330773485951 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (331041921607) 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, 866601698 + ... + 866602079.

It is an arithmetic number, because the mean of its divisors is an integer number (83193781344).

Almost surely, 2^331041921407 is an apocalyptic number.

331041921407 is a deficient number, since it is larger than the sum of its proper divisors (1733203969).

331041921407 is a wasteful number, since it uses less digits than its factorization.

331041921407 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1733203968.

The product of its (nonzero) digits is 18144, while the sum is 35.

The spelling of 331041921407 in words is "three hundred thirty-one billion, forty-one million, nine hundred twenty-one thousand, four hundred seven".