321041042 has 12 divisors (see below), whose sum is σ = 560184030. Its totient is φ = 137588976.

The previous prime is 321041041. The next prime is 321041047. The reversal of 321041042 is 240140123.

It can be written as a sum of positive squares in only one way, i.e., 253159921 + 67881121 = 15911^2 + 8239^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 321041042.

It is not an unprimeable number, because it can be changed into a prime (321041041) 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, 1637867 + ... + 1638062.

Almost surely, 2^321041042 is an apocalyptic number.

321041042 is a deficient number, since it is larger than the sum of its proper divisors (239142988).

321041042 is a wasteful number, since it uses less digits than its factorization.

321041042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3275945 (or 3275938 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 17.

The square root of 321041042 is about 17917.6182010891. The cubic root of 321041042 is about 684.7313077647.

Adding to 321041042 its reverse (240140123), we get a palindrome (561181165).

The spelling of 321041042 in words is "three hundred twenty-one million, forty-one thousand, forty-two".