321140135230 has 32 divisors (see below), whose sum is σ = 613696336704. Its totient is φ = 120575663616.

The previous prime is 321140135209. The next prime is 321140135233. The reversal of 321140135230 is 32531041123.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 321140135195 and 321140135204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (321140135233) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2468842 + ... + 2595661.

It is an arithmetic number, because the mean of its divisors is an integer number (19178010522).

Almost surely, 2^321140135230 is an apocalyptic number.

321140135230 is a deficient number, since it is larger than the sum of its proper divisors (292556201474).

321140135230 is a wasteful number, since it uses less digits than its factorization.

321140135230 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5064900.

The product of its (nonzero) digits is 2160, while the sum is 25.

Adding to 321140135230 its reverse (32531041123), we get a palindrome (353671176353).

The spelling of 321140135230 in words is "three hundred twenty-one billion, one hundred forty million, one hundred thirty-five thousand, two hundred thirty".