320325134 has 4 divisors (see below), whose sum is σ = 480487704. Its totient is φ = 160162566.

The previous prime is 320325121. The next prime is 320325143. The reversal of 320325134 is 431523023.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 80081282 + ... + 80081285.

It is an arithmetic number, because the mean of its divisors is an integer number (120121926).

Almost surely, 2^320325134 is an apocalyptic number.

320325134 is a deficient number, since it is larger than the sum of its proper divisors (160162570).

320325134 is a wasteful number, since it uses less digits than its factorization.

320325134 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 160162569.

The product of its (nonzero) digits is 2160, while the sum is 23.

The square root of 320325134 is about 17897.6292843494. The cubic root of 320325134 is about 684.2219549743.

Adding to 320325134 its reverse (431523023), we get a palindrome (751848157).

The spelling of 320325134 in words is "three hundred twenty million, three hundred twenty-five thousand, one hundred thirty-four".