30420031213 has 16 divisors (see below), whose sum is σ = 35744550912. Its totient is φ = 25522776000.

The previous prime is 30420031181. The next prime is 30420031223. The reversal of 30420031213 is 31213002403.

It is a cyclic number.

It is not a de Polignac number, because 30420031213 - 2⁵ = 30420031181 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30420031223) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 972883 + ... + 1003663.

It is an arithmetic number, because the mean of its divisors is an integer number (2234034432).

Almost surely, 2^30420031213 is an apocalyptic number.

It is an amenable number.

30420031213 is a deficient number, since it is larger than the sum of its proper divisors (5324519699).

30420031213 is a wasteful number, since it uses less digits than its factorization.

30420031213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37716.

The product of its (nonzero) digits is 432, while the sum is 19.

Adding to 30420031213 its reverse (31213002403), we get a palindrome (61633033616).

The spelling of 30420031213 in words is "thirty billion, four hundred twenty million, thirty-one thousand, two hundred thirteen".