20113430413 has 2 divisors, whose sum is σ = 20113430414. Its totient is φ = 20113430412.

The previous prime is 20113430383. The next prime is 20113430417. The reversal of 20113430413 is 31403431102.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 17040169444 + 3073260969 = 130538^2 + 55437^2 .

It is a cyclic number.

It is not a de Polignac number, because 20113430413 - 2¹³ = 20113422221 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (20113430417) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10056715206 + 10056715207.

It is an arithmetic number, because the mean of its divisors is an integer number (10056715207).

Almost surely, 2^20113430413 is an apocalyptic number.

It is an amenable number.

20113430413 is a deficient number, since it is larger than the sum of its proper divisors (1).

20113430413 is an equidigital number, since it uses as much as digits as its factorization.

20113430413 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 864, while the sum is 22.

Adding to 20113430413 its reverse (31403431102), we get a palindrome (51516861515).

The spelling of 20113430413 in words is "twenty billion, one hundred thirteen million, four hundred thirty thousand, four hundred thirteen".