321201130 has 16 divisors (see below), whose sum is σ = 579457800. Its totient is φ = 128192512.

The previous prime is 321201113. The next prime is 321201131. The reversal of 321201130 is 31102123.

It can be written as a sum of positive squares in 4 ways, for example, as 256992961 + 64208169 = 16031^2 + 8013^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 321201130.

It is not an unprimeable number, because it can be changed into a prime (321201131) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 31279 + ... + 40258.

Almost surely, 2^321201130 is an apocalyptic number.

321201130 is a deficient number, since it is larger than the sum of its proper divisors (258256670).

321201130 is a wasteful number, since it uses less digits than its factorization.

321201130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 71993.

The product of its (nonzero) digits is 36, while the sum is 13.

The square root of 321201130 is about 17922.0849791535. The cubic root of 321201130 is about 684.8451032362.

Adding to 321201130 its reverse (31102123), we get a palindrome (352303253).

The spelling of 321201130 in words is "three hundred twenty-one million, two hundred one thousand, one hundred thirty".