30420112313 has 2 divisors, whose sum is σ = 30420112314. Its totient is φ = 30420112312.

The previous prime is 30420112277. The next prime is 30420112321. The reversal of 30420112313 is 31321102403.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 28065630784 + 2354481529 = 167528^2 + 48523^2 .

It is a cyclic number.

It is not a de Polignac number, because 30420112313 - 2⁶ = 30420112249 is a prime.

It is not a weakly prime, because it can be changed into another prime (30420112913) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15210056156 + 15210056157.

It is an arithmetic number, because the mean of its divisors is an integer number (15210056157).

Almost surely, 2^30420112313 is an apocalyptic number.

It is an amenable number.

30420112313 is a deficient number, since it is larger than the sum of its proper divisors (1).

30420112313 is an equidigital number, since it uses as much as digits as its factorization.

30420112313 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 432, while the sum is 20.

Adding to 30420112313 its reverse (31321102403), we get a palindrome (61741214716).

The spelling of 30420112313 in words is "thirty billion, four hundred twenty million, one hundred twelve thousand, three hundred thirteen".