141032321 has 4 divisors (see below), whose sum is σ = 142061892. Its totient is φ = 140002752.

The previous prime is 141032317. The next prime is 141032329. The reversal of 141032321 is 123230141.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 123230141 = 53 ⋅2325097.

It can be written as a sum of positive squares in 2 ways, for example, as 101203600 + 39828721 = 10060^2 + 6311^2 .

It is a cyclic number.

It is not a de Polignac number, because 141032321 - 2² = 141032317 is a prime.

It is an alternating number because its digits alternate between odd and even.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 141032321.

It is not an unprimeable number, because it can be changed into a prime (141032329) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 514580 + ... + 514853.

It is an arithmetic number, because the mean of its divisors is an integer number (35515473).

Almost surely, 2^141032321 is an apocalyptic number.

It is an amenable number.

141032321 is a deficient number, since it is larger than the sum of its proper divisors (1029571).

141032321 is a wasteful number, since it uses less digits than its factorization.

141032321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1029570.

The product of its (nonzero) digits is 144, while the sum is 17.

The square root of 141032321 is about 11875.7029686667. The cubic root of 141032321 is about 520.5225528617.

Adding to 141032321 its reverse (123230141), we get a palindrome (264262462).

The spelling of 141032321 in words is "one hundred forty-one million, thirty-two thousand, three hundred twenty-one".