321121010313 has 24 divisors (see below), whose sum is σ = 467175709728. Its totient is φ = 212547091392.

The previous prime is 321121010293. The next prime is 321121010317. The reversal of 321121010313 is 313010121123.

321121010313 is a `hidden beast` number, since 321 + 1 + 21 + 0 + 10 + 313 = 666.

It is not a de Polignac number, because 321121010313 - 2¹⁶ = 321120944777 is a prime.

It is a super-3 number, since 3×321121010313³ (a number of 35 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (321121010317) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 507006 + ... + 948312.

It is an arithmetic number, because the mean of its divisors is an integer number (19465654572).

Almost surely, 2^321121010313 is an apocalyptic number.

It is an amenable number.

321121010313 is a deficient number, since it is larger than the sum of its proper divisors (146054699415).

321121010313 is a wasteful number, since it uses less digits than its factorization.

321121010313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 441893 (or 441890 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 18.

Adding to 321121010313 its reverse (313010121123), we get a palindrome (634131131436).

The spelling of 321121010313 in words is "three hundred twenty-one billion, one hundred twenty-one million, ten thousand, three hundred thirteen".