331654506212 has 6 divisors (see below), whose sum is σ = 580395385878. Its totient is φ = 165827253104.

The previous prime is 331654506193. The next prime is 331654506247. The reversal of 331654506212 is 212605456133.

It can be written as a sum of positive squares in only one way, i.e., 172145329216 + 159509176996 = 414904^2 + 399386^2 .

It is a super-2 number, since 2×331654506212² (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 (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 41456813273 + ... + 41456813280.

It is an arithmetic number, because the mean of its divisors is an integer number (96732564313).

Almost surely, 2^331654506212 is an apocalyptic number.

It is an amenable number.

331654506212 is a deficient number, since it is larger than the sum of its proper divisors (248740879666).

331654506212 is a wasteful number, since it uses less digits than its factorization.

331654506212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 82913626557 (or 82913626555 counting only the distinct ones).

The product of its (nonzero) digits is 129600, while the sum is 38.

The spelling of 331654506212 in words is "three hundred thirty-one billion, six hundred fifty-four million, five hundred six thousand, two hundred twelve".