320211134 has 4 divisors (see below), whose sum is σ = 480316704. Its totient is φ = 160105566.

The previous prime is 320211119. The next prime is 320211137. The reversal of 320211134 is 431112023.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (320211137) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 80052782 + ... + 80052785.

It is an arithmetic number, because the mean of its divisors is an integer number (120079176).

Almost surely, 2^320211134 is an apocalyptic number.

320211134 is a deficient number, since it is larger than the sum of its proper divisors (160105570).

320211134 is a wasteful number, since it uses less digits than its factorization.

320211134 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 160105569.

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

The square root of 320211134 is about 17894.4442216013. Note that the first 3 decimals coincide. The cubic root of 320211134 is about 684.1407764573.

Adding to 320211134 its reverse (431112023), we get a palindrome (751323157).

The spelling of 320211134 in words is "three hundred twenty million, two hundred eleven thousand, one hundred thirty-four".