213113030129 has 2 divisors, whose sum is σ = 213113030130. Its totient is φ = 213113030128.

The previous prime is 213113030087. The next prime is 213113030153. The reversal of 213113030129 is 921030311312.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 198268044529 + 14844985600 = 445273^2 + 121840^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-213113030129 is a prime.

It is a super-2 number, since 2×213113030129² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 213113030098 and 213113030107.

It is not a weakly prime, because it can be changed into another prime (213113030159) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 106556515064 + 106556515065.

It is an arithmetic number, because the mean of its divisors is an integer number (106556515065).

Almost surely, 2^213113030129 is an apocalyptic number.

It is an amenable number.

213113030129 is a deficient number, since it is larger than the sum of its proper divisors (1).

213113030129 is an equidigital number, since it uses as much as digits as its factorization.

213113030129 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 972, while the sum is 26.

The spelling of 213113030129 in words is "two hundred thirteen billion, one hundred thirteen million, thirty thousand, one hundred twenty-nine".