331214312011220 has 48 divisors (see below), whose sum is σ = 759473567108928. Its totient is φ = 120331776149760.

The previous prime is 331214312011183. The next prime is 331214312011267. The reversal of 331214312011220 is 22110213412133.

It is a super-2 number, since 2×331214312011220² (a number of 30 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 331214312011220.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 685957202 + ... + 686439881.

It is an arithmetic number, because the mean of its divisors is an integer number (15822365981436).

Almost surely, 2^{331214312011220} is an apocalyptic number.

It is an amenable number.

331214312011220 is an abundant number, since it is smaller than the sum of its proper divisors (428259255097708).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

331214312011220 is a wasteful number, since it uses less digits than its factorization.

331214312011220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1372398200 (or 1372398198 counting only the distinct ones).

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

Adding to 331214312011220 its reverse (22110213412133), we get a palindrome (353324525423353).

The spelling of 331214312011220 in words is "three hundred thirty-one trillion, two hundred fourteen billion, three hundred twelve million, eleven thousand, two hundred twenty".