30231210253 has 2 divisors, whose sum is σ = 30231210254. Its totient is φ = 30231210252.

The previous prime is 30231210179. The next prime is 30231210299. The reversal of 30231210253 is 35201213203.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 30191495049 + 39715204 = 173757^2 + 6302^2 .

It is a cyclic number.

It is not a de Polignac number, because 30231210253 - 2⁹ = 30231209741 is a prime.

It is a super-2 number, since 2×30231210253² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (30231210853) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15115605126 + 15115605127.

It is an arithmetic number, because the mean of its divisors is an integer number (15115605127).

Almost surely, 2^30231210253 is an apocalyptic number.

It is an amenable number.

30231210253 is a deficient number, since it is larger than the sum of its proper divisors (1).

30231210253 is an equidigital number, since it uses as much as digits as its factorization.

30231210253 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1080, while the sum is 22.

Adding to 30231210253 its reverse (35201213203), we get a palindrome (65432423456).

The spelling of 30231210253 in words is "thirty billion, two hundred thirty-one million, two hundred ten thousand, two hundred fifty-three".