30331110023213 has 4 divisors (see below), whose sum is σ = 30426791758620. Its totient is φ = 30235428287808.

The previous prime is 30331110023167. The next prime is 30331110023261. The reversal of 30331110023213 is 31232001113303.

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 2216650500964 + 28114459522249 = 1488842^2 + 5302307^2 .

It is a cyclic number.

It is not a de Polignac number, because 30331110023213 - 2¹⁴ = 30331110006829 is a prime.

It is a super-2 number, since 2×30331110023213² (a number of 28 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 (30331110023273) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 47840867228 + ... + 47840867861.

It is an arithmetic number, because the mean of its divisors is an integer number (7606697939655).

Almost surely, 2^{30331110023213} is an apocalyptic number.

It is an amenable number.

30331110023213 is a deficient number, since it is larger than the sum of its proper divisors (95681735407).

30331110023213 is an equidigital number, since it uses as much as digits as its factorization.

30331110023213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 95681735406.

The product of its (nonzero) digits is 972, while the sum is 23.

Adding to 30331110023213 its reverse (31232001113303), we get a palindrome (61563111136516).

The spelling of 30331110023213 in words is "thirty trillion, three hundred thirty-one billion, one hundred ten million, twenty-three thousand, two hundred thirteen".