321142440130 has 16 divisors (see below), whose sum is σ = 578155428864. Its totient is φ = 128434967920.

The previous prime is 321142440079. The next prime is 321142440251. The reversal of 321142440130 is 31044241123.

It is a junction number, because it is equal to n+sod(n) for n = 321142440095 and 321142440104.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2689666 + ... + 2806525.

It is an arithmetic number, because the mean of its divisors is an integer number (36134714304).

Almost surely, 2^321142440130 is an apocalyptic number.

321142440130 is a deficient number, since it is larger than the sum of its proper divisors (257012988734).

321142440130 is a wasteful number, since it uses less digits than its factorization.

321142440130 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5502041.

The product of its (nonzero) digits is 2304, while the sum is 25.

Adding to 321142440130 its reverse (31044241123), we get a palindrome (352186681253).

The spelling of 321142440130 in words is "three hundred twenty-one billion, one hundred forty-two million, four hundred forty thousand, one hundred thirty".