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320111041 = 523612067
BaseRepresentation
bin10011000101001…
…000000111000001
3211022100022210111
4103011020013001
51123422023131
651433031321
710634620225
oct2305100701
9738308714
10320111041
11154770188
128b255541
135141c923
143072a785
151d182ab1
hex131481c1

320111041 has 4 divisors (see below), whose sum is σ = 320723632. Its totient is φ = 319498452.

The previous prime is 320111021. The next prime is 320111083. The reversal of 320111041 is 140111023.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 140111023 = 1310777771.

It is a cyclic number.

It is not a de Polignac number, because 320111041 - 219 = 319586753 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (320111021) 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, 305511 + ... + 306556.

It is an arithmetic number, because the mean of its divisors is an integer number (80180908).

Almost surely, 2320111041 is an apocalyptic number.

It is an amenable number.

320111041 is a deficient number, since it is larger than the sum of its proper divisors (612591).

320111041 is an equidigital number, since it uses as much as digits as its factorization.

320111041 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 612590.

The product of its (nonzero) digits is 24, while the sum is 13.

The square root of 320111041 is about 17891.6472411011. The cubic root of 320111041 is about 684.0694851209.

Adding to 320111041 its reverse (140111023), we get a palindrome (460222064).

The spelling of 320111041 in words is "three hundred twenty million, one hundred eleven thousand, forty-one".

Divisors: 1 523 612067 320111041