121323030313 has 4 divisors (see below), whose sum is σ = 121436523460. Its totient is φ = 121209537168.

The previous prime is 121323030307. The next prime is 121323030329. The reversal of 121323030313 is 313030323121.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 313030323121 = 2593 ⋅120721297.

It can be written as a sum of positive squares in 2 ways, for example, as 17363859984 + 103959170329 = 131772^2 + 322427^2 .

It is a cyclic number.

It is not a de Polignac number, because 121323030313 - 2²⁹ = 120786159401 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (121323030343) 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, 56744970 + ... + 56747107.

It is an arithmetic number, because the mean of its divisors is an integer number (30359130865).

Almost surely, 2^121323030313 is an apocalyptic number.

It is an amenable number.

121323030313 is a deficient number, since it is larger than the sum of its proper divisors (113493147).

121323030313 is a wasteful number, since it uses less digits than its factorization.

121323030313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 113493146.

The product of its (nonzero) digits is 972, while the sum is 22.

Adding to 121323030313 its reverse (313030323121), we get a palindrome (434353353434).

The spelling of 121323030313 in words is "one hundred twenty-one billion, three hundred twenty-three million, thirty thousand, three hundred thirteen".