229720535113 has 2 divisors, whose sum is σ = 229720535114. Its totient is φ = 229720535112.

The previous prime is 229720535017. The next prime is 229720535117. The reversal of 229720535113 is 311535027922.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 229640307264 + 80227849 = 479208^2 + 8957^2 .

It is a cyclic number.

It is not a de Polignac number, because 229720535113 - 2¹⁷ = 229720404041 is a prime.

It is not a weakly prime, because it can be changed into another prime (229720535117) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 114860267556 + 114860267557.

It is an arithmetic number, because the mean of its divisors is an integer number (114860267557).

Almost surely, 2^229720535113 is an apocalyptic number.

It is an amenable number.

229720535113 is a deficient number, since it is larger than the sum of its proper divisors (1).

229720535113 is an equidigital number, since it uses as much as digits as its factorization.

229720535113 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 113400, while the sum is 40.

The spelling of 229720535113 in words is "two hundred twenty-nine billion, seven hundred twenty million, five hundred thirty-five thousand, one hundred thirteen".