310030123213 has 4 divisors (see below), whose sum is σ = 312874436380. Its totient is φ = 307185810048.

The previous prime is 310030123159. The next prime is 310030123223. The reversal of 310030123213 is 312321030013.

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 84668196484 + 225361926729 = 290978^2 + 474723^2 .

It is a cyclic number.

It is not a de Polignac number, because 310030123213 - 2²⁵ = 309996568781 is a prime.

It is a super-2 number, since 2×310030123213² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (310030123223) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1422156420 + ... + 1422156637.

It is an arithmetic number, because the mean of its divisors is an integer number (78218609095).

Almost surely, 2^310030123213 is an apocalyptic number.

It is an amenable number.

310030123213 is a deficient number, since it is larger than the sum of its proper divisors (2844313167).

310030123213 is a wasteful number, since it uses less digits than its factorization.

310030123213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2844313166.

The product of its (nonzero) digits is 324, while the sum is 19.

Adding to 310030123213 its reverse (312321030013), we get a palindrome (622351153226).

The spelling of 310030123213 in words is "three hundred ten billion, thirty million, one hundred twenty-three thousand, two hundred thirteen".