321011430140 has 48 divisors (see below), whose sum is σ = 700021586880. Its totient is φ = 123505374720.

The previous prime is 321011430119. The next prime is 321011430143. The reversal of 321011430140 is 41034110123.

It is a super-3 number, since 3×321011430140³ (a number of 35 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (321011430143) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 899681 + ... + 1204760.

It is an arithmetic number, because the mean of its divisors is an integer number (14583783060).

Almost surely, 2^321011430140 is an apocalyptic number.

It is an amenable number.

321011430140 is an abundant number, since it is smaller than the sum of its proper divisors (379010156740).

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

321011430140 is a wasteful number, since it uses less digits than its factorization.

321011430140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2104742 (or 2104740 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 20.

Adding to 321011430140 its reverse (41034110123), we get a palindrome (362045540263).

The spelling of 321011430140 in words is "three hundred twenty-one billion, eleven million, four hundred thirty thousand, one hundred forty".