321031414513 has 4 divisors (see below), whose sum is σ = 321065872960. Its totient is φ = 320996956068.

The previous prime is 321031414499. The next prime is 321031414519. The reversal of 321031414513 is 315414130123.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 315414130123 = 11699 ⋅26960777.

It is a cyclic number.

It is not a de Polignac number, because 321031414513 - 2⁵ = 321031414481 is a prime.

It is a super-2 number, since 2×321031414513² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (321031414519) 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 3 ways as a sum of consecutive naturals, for example, 17215245 + ... + 17233882.

It is an arithmetic number, because the mean of its divisors is an integer number (80266468240).

Almost surely, 2^321031414513 is an apocalyptic number.

It is an amenable number.

321031414513 is a deficient number, since it is larger than the sum of its proper divisors (34458447).

321031414513 is an equidigital number, since it uses as much as digits as its factorization.

321031414513 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34458446.

The product of its (nonzero) digits is 4320, while the sum is 28.

Adding to 321031414513 its reverse (315414130123), we get a palindrome (636445544636).

The spelling of 321031414513 in words is "three hundred twenty-one billion, thirty-one million, four hundred fourteen thousand, five hundred thirteen".