331313222210312 has 8 divisors (see below), whose sum is σ = 621212291644350. Its totient is φ = 165656611105152.

The previous prime is 331313222210303. The next prime is 331313222210353. The reversal of 331313222210312 is 213012222313133.

It can be written as a sum of positive squares in only one way, i.e., 288001739536996 + 43311482673316 = 16970614^2 + 6581146^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is a super-2 number, since 2×331313222210312² (a number of 30 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20707076388137 + ... + 20707076388152.

Almost surely, 2^{331313222210312} is an apocalyptic number.

It is an amenable number.

331313222210312 is a deficient number, since it is larger than the sum of its proper divisors (289899069434038).

331313222210312 is a wasteful number, since it uses less digits than its factorization.

331313222210312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41414152776295 (or 41414152776291 counting only the distinct ones).

The product of its (nonzero) digits is 7776, while the sum is 29.

Adding to 331313222210312 its reverse (213012222313133), we get a palindrome (544325444523445).

The spelling of 331313222210312 in words is "three hundred thirty-one trillion, three hundred thirteen billion, two hundred twenty-two million, two hundred ten thousand, three hundred twelve".