331012020221002 has 16 divisors (see below), whose sum is σ = 497788588975752. Its totient is φ = 165082963507200.

The previous prime is 331012020220949. The next prime is 331012020221017. The reversal of 331012020221002 is 200122020210133.

It can be written as a sum of positive squares in 4 ways, for example, as 301013165772361 + 29998854448641 = 17349731^2 + 5477121^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 116835499 + ... + 119635102.

Almost surely, 2^{331012020221002} is an apocalyptic number.

331012020221002 is a deficient number, since it is larger than the sum of its proper divisors (166776568754750).

331012020221002 is a wasteful number, since it uses less digits than its factorization.

331012020221002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 236472393.

The product of its (nonzero) digits is 288, while the sum is 19.

Adding to 331012020221002 its reverse (200122020210133), we get a palindrome (531134040431135).

The spelling of 331012020221002 in words is "three hundred thirty-one trillion, twelve billion, twenty million, two hundred twenty-one thousand, two".