201030129253 has 4 divisors (see below), whose sum is σ = 201065658880. Its totient is φ = 200994599628.

The previous prime is 201030129247. The next prime is 201030129259. The reversal of 201030129253 is 352921030102.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is an interprime number because it is at equal distance from previous prime (201030129247) and next prime (201030129259).

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-201030129253 is a prime.

It is a super-2 number, since 2×201030129253² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (201030129259) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 17756325 + ... + 17767642.

It is an arithmetic number, because the mean of its divisors is an integer number (50266414720).

Almost surely, 2^201030129253 is an apocalyptic number.

It is an amenable number.

201030129253 is a deficient number, since it is larger than the sum of its proper divisors (35529627).

201030129253 is an equidigital number, since it uses as much as digits as its factorization.

201030129253 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35529626.

The product of its (nonzero) digits is 3240, while the sum is 28.

Adding to 201030129253 its reverse (352921030102), we get a palindrome (553951159355).

The spelling of 201030129253 in words is "two hundred one billion, thirty million, one hundred twenty-nine thousand, two hundred fifty-three".