331001133412 has 12 divisors (see below), whose sum is σ = 590181266556. Its totient is φ = 162377914400.

The previous prime is 331001133383. The next prime is 331001133479. The reversal of 331001133412 is 214331100133.

It can be written as a sum of positive squares in 2 ways, for example, as 283509391936 + 47491741476 = 532456^2 + 217926^2 .

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, 780662839 + ... + 780663262.

It is an arithmetic number, because the mean of its divisors is an integer number (49181772213).

Almost surely, 2^331001133412 is an apocalyptic number.

It is an amenable number.

331001133412 is a deficient number, since it is larger than the sum of its proper divisors (259180133144).

331001133412 is a wasteful number, since it uses less digits than its factorization.

331001133412 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1561326158 (or 1561326156 counting only the distinct ones).

The product of its (nonzero) digits is 648, while the sum is 22.

Adding to 331001133412 its reverse (214331100133), we get a palindrome (545332233545).

The spelling of 331001133412 in words is "three hundred thirty-one billion, one million, one hundred thirty-three thousand, four hundred twelve".