331400402241 has 8 divisors (see below), whose sum is σ = 442338783264. Its totient is φ = 220697811360.

The previous prime is 331400402237. The next prime is 331400402261. The reversal of 331400402241 is 142204004133.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 331400402241 - 2² = 331400402237 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (331400402261) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 58944255 + ... + 58949876.

It is an arithmetic number, because the mean of its divisors is an integer number (55292347908).

Almost surely, 2^331400402241 is an apocalyptic number.

It is an amenable number.

331400402241 is a deficient number, since it is larger than the sum of its proper divisors (110938381023).

331400402241 is a wasteful number, since it uses less digits than its factorization.

331400402241 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 117895071.

The product of its (nonzero) digits is 2304, while the sum is 24.

Adding to 331400402241 its reverse (142204004133), we get a palindrome (473604406374).

The spelling of 331400402241 in words is "three hundred thirty-one billion, four hundred million, four hundred two thousand, two hundred forty-one".