331132021121204 has 24 divisors (see below), whose sum is σ = 603981487968768. Its totient is φ = 158669587314720.

The previous prime is 331132021121147. The next prime is 331132021121227. The reversal of 331132021121204 is 402121120231133.

It is a super-2 number, since 2×331132021121204² (a number of 30 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12963188807 + ... + 12963214350.

It is an arithmetic number, because the mean of its divisors is an integer number (25165895332032).

Almost surely, 2^{331132021121204} is an apocalyptic number.

It is an amenable number.

331132021121204 is a deficient number, since it is larger than the sum of its proper divisors (272849466847564).

331132021121204 is a wasteful number, since it uses less digits than its factorization.

331132021121204 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25926403295 (or 25926403293 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 26.

Adding to 331132021121204 its reverse (402121120231133), we get a palindrome (733253141352337).

The spelling of 331132021121204 in words is "three hundred thirty-one trillion, one hundred thirty-two billion, twenty-one million, one hundred twenty-one thousand, two hundred four".