331144055332 has 12 divisors (see below), whose sum is σ = 590436099036. Its totient is φ = 162448027040.

The previous prime is 331144055293. The next prime is 331144055381. The reversal of 331144055332 is 233550441133.

It can be written as a sum of positive squares in 2 ways, for example, as 266229168676 + 64914886656 = 515974^2 + 254784^2 .

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 in 3 ways as a sum of consecutive naturals, for example, 780999919 + ... + 781000342.

It is an arithmetic number, because the mean of its divisors is an integer number (49203008253).

Almost surely, 2^331144055332 is an apocalyptic number.

It is an amenable number.

331144055332 is a deficient number, since it is larger than the sum of its proper divisors (259292043704).

331144055332 is a wasteful number, since it uses less digits than its factorization.

331144055332 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1562000318 (or 1562000316 counting only the distinct ones).

The product of its (nonzero) digits is 64800, while the sum is 34.

Adding to 331144055332 its reverse (233550441133), we get a palindrome (564694496465).

The spelling of 331144055332 in words is "three hundred thirty-one billion, one hundred forty-four million, fifty-five thousand, three hundred thirty-two".