321042141 has 24 divisors (see below), whose sum is σ = 530459904. Its totient is φ = 183284640.

The previous prime is 321042131. The next prime is 321042143. The reversal of 321042141 is 141240123.

It is not a de Polignac number, because 321042141 - 2⁵ = 321042109 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (321042143) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 108220 + ... + 111146.

It is an arithmetic number, because the mean of its divisors is an integer number (22102496).

Almost surely, 2^321042141 is an apocalyptic number.

It is an amenable number.

321042141 is a deficient number, since it is larger than the sum of its proper divisors (209417763).

321042141 is a wasteful number, since it uses less digits than its factorization.

321042141 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4681 (or 4678 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 18.

The square root of 321042141 is about 17917.6488692016. The cubic root of 321042141 is about 684.7320890966.

Adding to 321042141 its reverse (141240123), we get a palindrome (462282264).

The spelling of 321042141 in words is "three hundred twenty-one million, forty-two thousand, one hundred forty-one".