321140240002 has 16 divisors (see below), whose sum is σ = 494746228800. Its totient is φ = 156225122928.

The previous prime is 321140239997. The next prime is 321140240009. The reversal of 321140240002 is 200042041123.

It is not an unprimeable number, because it can be changed into a prime (321140240009) 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, 3011113 + ... + 3115939.

It is an arithmetic number, because the mean of its divisors is an integer number (30921639300).

Almost surely, 2^321140240002 is an apocalyptic number.

321140240002 is a deficient number, since it is larger than the sum of its proper divisors (173605988798).

321140240002 is a wasteful number, since it uses less digits than its factorization.

321140240002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 146265.

The product of its (nonzero) digits is 384, while the sum is 19.

Adding to 321140240002 its reverse (200042041123), we get a palindrome (521182281125).

The spelling of 321140240002 in words is "three hundred twenty-one billion, one hundred forty million, two hundred forty thousand, two".