321131011301 has 4 divisors (see below), whose sum is σ = 321146781900. Its totient is φ = 321115240704.

The previous prime is 321131011291. The next prime is 321131011391. The reversal of 321131011301 is 103110131123.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 103110131123 = 3109 ⋅33165047.

It can be written as a sum of positive squares in 2 ways, for example, as 204389889025 + 116741122276 = 452095^2 + 341674^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-321131011301 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 321131011301.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (321131011391) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7854716 + ... + 7895493.

It is an arithmetic number, because the mean of its divisors is an integer number (80286695475).

Almost surely, 2^321131011301 is an apocalyptic number.

It is an amenable number.

321131011301 is a deficient number, since it is larger than the sum of its proper divisors (15770599).

321131011301 is a wasteful number, since it uses less digits than its factorization.

321131011301 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15770598.

The product of its (nonzero) digits is 54, while the sum is 17.

Adding to 321131011301 its reverse (103110131123), we get a palindrome (424241142424).

The spelling of 321131011301 in words is "three hundred twenty-one billion, one hundred thirty-one million, eleven thousand, three hundred one".