321340130042 has 8 divisors (see below), whose sum is σ = 482259559476. Its totient is φ = 160586943552.

The previous prime is 321340130039. The next prime is 321340130053. The reversal of 321340130042 is 240031043123.

It can be written as a sum of positive squares in 2 ways, for example, as 310695874801 + 10644255241 = 557401^2 + 103171^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 41555903 + ... + 41563634.

Almost surely, 2^321340130042 is an apocalyptic number.

321340130042 is a deficient number, since it is larger than the sum of its proper divisors (160919429434).

321340130042 is a wasteful number, since it uses less digits than its factorization.

321340130042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 83121472.

The product of its (nonzero) digits is 1728, while the sum is 23.

Adding to 321340130042 its reverse (240031043123), we get a palindrome (561371173165).

The spelling of 321340130042 in words is "three hundred twenty-one billion, three hundred forty million, one hundred thirty thousand, forty-two".