321012331433242 has 4 divisors (see below), whose sum is σ = 481518497149866. Its totient is φ = 160506165716620.

The previous prime is 321012331433203. The next prime is 321012331433263. The reversal of 321012331433242 is 242334133210123.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 283318883462241 + 37693447971001 = 16832079^2 + 6139499^2 .

It is a junction number, because it is equal to n+sod(n) for n = 321012331433198 and 321012331433207.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 80253082858309 + ... + 80253082858312.

Almost surely, 2^{321012331433242} is an apocalyptic number.

321012331433242 is a deficient number, since it is larger than the sum of its proper divisors (160506165716624).

321012331433242 is a wasteful number, since it uses less digits than its factorization.

321012331433242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 160506165716623.

The product of its (nonzero) digits is 62208, while the sum is 34.

Adding to 321012331433242 its reverse (242334133210123), we get a palindrome (563346464643365).

The spelling of 321012331433242 in words is "three hundred twenty-one trillion, twelve billion, three hundred thirty-one million, four hundred thirty-three thousand, two hundred forty-two".