20210130113 has 2 divisors, whose sum is σ = 20210130114. Its totient is φ = 20210130112.

The previous prime is 20210130013. The next prime is 20210130137. The reversal of 20210130113 is 31103101202.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 14453569729 + 5756560384 = 120223^2 + 75872^2 .

It is a cyclic number.

It is not a de Polignac number, because 20210130113 - 2³⁴ = 3030260929 is a prime.

It is not a weakly prime, because it can be changed into another prime (20210130013) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10105065056 + 10105065057.

It is an arithmetic number, because the mean of its divisors is an integer number (10105065057).

Almost surely, 2^20210130113 is an apocalyptic number.

It is an amenable number.

20210130113 is a deficient number, since it is larger than the sum of its proper divisors (1).

20210130113 is an equidigital number, since it uses as much as digits as its factorization.

20210130113 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 36, while the sum is 14.

Adding to 20210130113 its reverse (31103101202), we get a palindrome (51313231315).

The spelling of 20210130113 in words is "twenty billion, two hundred ten million, one hundred thirty thousand, one hundred thirteen".