321131033103042 has 12 divisors (see below), whose sum is σ = 695783905056630. Its totient is φ = 107043677701008.

The previous prime is 321131033103031. The next prime is 321131033103043. The reversal of 321131033103042 is 240301330131123.

321131033103042 is a `hidden beast` number, since 3 + 2 + 1 + 1 + 310 + 3 + 310 + 30 + 4 + 2 = 666.

It can be written as a sum of positive squares in only one way, i.e., 213446226820401 + 107684806282641 = 14609799^2 + 10377129^2 .

It is a junction number, because it is equal to n+sod(n) for n = 321131033102997 and 321131033103015.

It is not an unprimeable number, because it can be changed into a prime (321131033103043) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 8920306475067 + ... + 8920306475102.

Almost surely, 2^{321131033103042} is an apocalyptic number.

321131033103042 is an abundant number, since it is smaller than the sum of its proper divisors (374652871953588).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

321131033103042 is a wasteful number, since it uses less digits than its factorization.

321131033103042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17840612950177 (or 17840612950174 counting only the distinct ones).

The product of its (nonzero) digits is 3888, while the sum is 27.

Adding to 321131033103042 its reverse (240301330131123), we get a palindrome (561432363234165).

The spelling of 321131033103042 in words is "three hundred twenty-one trillion, one hundred thirty-one billion, thirty-three million, one hundred three thousand, forty-two".