321140030 has 48 divisors (see below), whose sum is σ = 640002384. Its totient is φ = 115610880.

The previous prime is 321139993. The next prime is 321140089. The reversal of 321140030 is 30041123.

It is a junction number, because it is equal to n+sod(n) for n = 321139987 and 321140014.

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, 88145 + ... + 91715.

It is an arithmetic number, because the mean of its divisors is an integer number (13333383).

Almost surely, 2^321140030 is an apocalyptic number.

321140030 is a deficient number, since it is larger than the sum of its proper divisors (318862354).

321140030 is a wasteful number, since it uses less digits than its factorization.

321140030 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3641 (or 3618 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 14.

The square root of 321140030 is about 17920.3802973040. The cubic root of 321140030 is about 684.8016759406.

Adding to 321140030 its reverse (30041123), we get a palindrome (351181153).

The spelling of 321140030 in words is "three hundred twenty-one million, one hundred forty thousand, thirty".