321116741180929 has 4 divisors (see below), whose sum is σ = 321395246595076. Its totient is φ = 320838235766784.

The previous prime is 321116741180897. The next prime is 321116741180969. The reversal of 321116741180929 is 929081147611123.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 175367911449025 + 145748829731904 = 13242655^2 + 12072648^2 .

It is a cyclic number.

It is not a de Polignac number, because 321116741180929 - 2⁵ = 321116741180897 is a prime.

It is a super-2 number, since 2×321116741180929² (a number of 30 digits) contains 22 as substring.

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 321116741180929.

It is not an unprimeable number, because it can be changed into a prime (321116741180969) 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, 139252705344 + ... + 139252707649.

It is an arithmetic number, because the mean of its divisors is an integer number (80348811648769).

Almost surely, 2^{321116741180929} is an apocalyptic number.

It is an amenable number.

321116741180929 is a deficient number, since it is larger than the sum of its proper divisors (278505414147).

321116741180929 is a wasteful number, since it uses less digits than its factorization.

321116741180929 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 278505414146.

The product of its (nonzero) digits is 1306368, while the sum is 55.

The spelling of 321116741180929 in words is "three hundred twenty-one trillion, one hundred sixteen billion, seven hundred forty-one million, one hundred eighty thousand, nine hundred twenty-nine".