30023120331013 has 2 divisors, whose sum is σ = 30023120331014. Its totient is φ = 30023120331012.

The previous prime is 30023120330947. The next prime is 30023120331037. The reversal of 30023120331013 is 31013302132003.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 25359865796164 + 4663254534849 = 5035858^2 + 2159457^2 .

It is a cyclic number.

It is not a de Polignac number, because 30023120331013 - 2²¹ = 30023118233861 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (30023120031013) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15011560165506 + 15011560165507.

It is an arithmetic number, because the mean of its divisors is an integer number (15011560165507).

Almost surely, 2^{30023120331013} is an apocalyptic number.

It is an amenable number.

30023120331013 is a deficient number, since it is larger than the sum of its proper divisors (1).

30023120331013 is an equidigital number, since it uses as much as digits as its factorization.

30023120331013 is an evil number, because the sum of its binary digits is even.

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

Adding to 30023120331013 its reverse (31013302132003), we get a palindrome (61036422463016).

The spelling of 30023120331013 in words is "thirty trillion, twenty-three billion, one hundred twenty million, three hundred thirty-one thousand, thirteen".