331240202434021 has 8 divisors (see below), whose sum is σ = 331272656155584. Its totient is φ = 331207750342560.

The previous prime is 331240202433991. The next prime is 331240202434027. The reversal of 331240202434021 is 120434202042133.

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

It is a cyclic number.

It is not a de Polignac number, because 331240202434021 - 2⁹ = 331240202433509 is a prime.

It is a super-2 number, since 2×331240202434021² (a number of 30 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (331240202434027) 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, 427761825 + ... + 428535481.

It is an arithmetic number, because the mean of its divisors is an integer number (41409082019448).

Almost surely, 2^{331240202434021} is an apocalyptic number.

It is an amenable number.

331240202434021 is a deficient number, since it is larger than the sum of its proper divisors (32453721563).

331240202434021 is a wasteful number, since it uses less digits than its factorization.

331240202434021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 815051.

The product of its (nonzero) digits is 27648, while the sum is 31.

Adding to 331240202434021 its reverse (120434202042133), we get a palindrome (451674404476154).

The spelling of 331240202434021 in words is "three hundred thirty-one trillion, two hundred forty billion, two hundred two million, four hundred thirty-four thousand, twenty-one".