331213311332 has 12 divisors (see below), whose sum is σ = 579655695360. Its totient is φ = 165597398376.

The previous prime is 331213311313. The next prime is 331213311349. The reversal of 331213311332 is 233113312133.

It is a super-2 number, since 2×331213311332² (a number of 24 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2233508 + ... + 2377179.

It is an arithmetic number, because the mean of its divisors is an integer number (48304641280).

Almost surely, 2^331213311332 is an apocalyptic number.

It is an amenable number.

331213311332 is a deficient number, since it is larger than the sum of its proper divisors (248442384028).

331213311332 is a wasteful number, since it uses less digits than its factorization.

331213311332 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4628650 (or 4628648 counting only the distinct ones).

The product of its digits is 2916, while the sum is 26.

Adding to 331213311332 its reverse (233113312133), we get a palindrome (564326623465).

The spelling of 331213311332 in words is "three hundred thirty-one billion, two hundred thirteen million, three hundred eleven thousand, three hundred thirty-two".