321130134 has 48 divisors (see below), whose sum is σ = 788751600. Its totient is φ = 93607488.

The previous prime is 321130093. The next prime is 321130189. The reversal of 321130134 is 431031123.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 31669 + ... + 40560.

It is an arithmetic number, because the mean of its divisors is an integer number (16432325).

Almost surely, 2^321130134 is an apocalyptic number.

321130134 is an abundant number, since it is smaller than the sum of its proper divisors (467621466).

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

321130134 is a wasteful number, since it uses less digits than its factorization.

321130134 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 72269 (or 72266 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 18.

The square root of 321130134 is about 17920.1041849650. The cubic root of 321130134 is about 684.7946417640.

Adding to 321130134 its reverse (431031123), we get a palindrome (752161257).

The spelling of 321130134 in words is "three hundred twenty-one million, one hundred thirty thousand, one hundred thirty-four".