20130213241 has 2 divisors, whose sum is σ = 20130213242. Its totient is φ = 20130213240.

The previous prime is 20130213221. The next prime is 20130213269. The reversal of 20130213241 is 14231203102.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 13503602025 + 6626611216 = 116205^2 + 81404^2 .

It is a cyclic number.

It is not a de Polignac number, because 20130213241 - 2¹⁷ = 20130082169 is a prime.

It is not a weakly prime, because it can be changed into another prime (20130213221) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10065106620 + 10065106621.

It is an arithmetic number, because the mean of its divisors is an integer number (10065106621).

Almost surely, 2^20130213241 is an apocalyptic number.

It is an amenable number.

20130213241 is a deficient number, since it is larger than the sum of its proper divisors (1).

20130213241 is an equidigital number, since it uses as much as digits as its factorization.

20130213241 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 288, while the sum is 19.

Adding to 20130213241 its reverse (14231203102), we get a palindrome (34361416343).

The spelling of 20130213241 in words is "twenty billion, one hundred thirty million, two hundred thirteen thousand, two hundred forty-one".