320230134 has 96 divisors (see below), whose sum is σ = 819486720. Its totient is φ = 88485696.

The previous prime is 320230133. The next prime is 320230147. The reversal of 320230134 is 431032023.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (320230133) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 527259 + ... + 527865.

It is an arithmetic number, because the mean of its divisors is an integer number (8536320).

Almost surely, 2^320230134 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 320230134, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (409743360).

320230134 is an abundant number, since it is smaller than the sum of its proper divisors (499256586).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

320230134 is a wasteful number, since it uses less digits than its factorization.

320230134 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 754 (or 751 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 18.

The square root of 320230134 is about 17894.9751047606. The cubic root of 320230134 is about 684.1543075480.

Adding to 320230134 its reverse (431032023), we get a palindrome (751262157).

The spelling of 320230134 in words is "three hundred twenty million, two hundred thirty thousand, one hundred thirty-four".