30212031313 has 4 divisors (see below), whose sum is σ = 30246247408. Its totient is φ = 30177815220.

The previous prime is 30212031299. The next prime is 30212031341. The reversal of 30212031313 is 31313021203.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 31313021203 = 79 ⋅396367357.

It is a cyclic number.

It is not a de Polignac number, because 30212031313 - 2⁵ = 30212031281 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (30212032313) 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, 17106723 + ... + 17108488.

It is an arithmetic number, because the mean of its divisors is an integer number (7561561852).

Almost surely, 2^30212031313 is an apocalyptic number.

It is an amenable number.

30212031313 is a deficient number, since it is larger than the sum of its proper divisors (34216095).

30212031313 is an equidigital number, since it uses as much as digits as its factorization.

30212031313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34216094.

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

Adding to 30212031313 its reverse (31313021203), we get a palindrome (61525052516).

The spelling of 30212031313 in words is "thirty billion, two hundred twelve million, thirty-one thousand, three hundred thirteen".