53112302231 has 4 divisors (see below), whose sum is σ = 53135899464. Its totient is φ = 53088705000.

The previous prime is 53112302189. The next prime is 53112302233. The reversal of 53112302231 is 13220321135.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 53112302231 - 2³⁰ = 52038560407 is a prime.

It is a super-2 number, since 2×53112302231² (a number of 22 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 53112302197 and 53112302206.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53112302233) 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, 11795240 + ... + 11799741.

It is an arithmetic number, because the mean of its divisors is an integer number (13283974866).

Almost surely, 2^53112302231 is an apocalyptic number.

53112302231 is a deficient number, since it is larger than the sum of its proper divisors (23597233).

53112302231 is a wasteful number, since it uses less digits than its factorization.

53112302231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23597232.

The product of its (nonzero) digits is 1080, while the sum is 23.

Adding to 53112302231 its reverse (13220321135), we get a palindrome (66332623366).

The spelling of 53112302231 in words is "fifty-three billion, one hundred twelve million, three hundred two thousand, two hundred thirty-one".