320261043 has 8 divisors (see below), whose sum is σ = 427282128. Its totient is φ = 213373664.

The previous prime is 320260999. The next prime is 320261057. The reversal of 320261043 is 340162023.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 320261043 - 2⁹ = 320260531 is a prime.

It is not an unprimeable number, because it can be changed into a prime (320261743) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 27696 + ... + 37517.

It is an arithmetic number, because the mean of its divisors is an integer number (53410266).

Almost surely, 2^320261043 is an apocalyptic number.

320261043 is a deficient number, since it is larger than the sum of its proper divisors (107021085).

320261043 is a wasteful number, since it uses less digits than its factorization.

320261043 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 66853.

The product of its (nonzero) digits is 864, while the sum is 21.

The square root of 320261043 is about 17895.8387062468. The cubic root of 320261043 is about 684.1763186404.

The spelling of 320261043 in words is "three hundred twenty million, two hundred sixty-one thousand, forty-three".