230755566631 has 4 divisors (see below), whose sum is σ = 230756527512. Its totient is φ = 230754605752.

The previous prime is 230755566611. The next prime is 230755566647. The reversal of 230755566631 is 136665557032.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-230755566631 is a prime.

It is a super-2 number, since 2×230755566631² (a number of 24 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 (230755566611) 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, 227940 + ... + 716566.

It is an arithmetic number, because the mean of its divisors is an integer number (57689131878).

Almost surely, 2^230755566631 is an apocalyptic number.

230755566631 is a deficient number, since it is larger than the sum of its proper divisors (960881).

230755566631 is an equidigital number, since it uses as much as digits as its factorization.

230755566631 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 960880.

The product of its (nonzero) digits is 3402000, while the sum is 49.

The spelling of 230755566631 in words is "two hundred thirty billion, seven hundred fifty-five million, five hundred sixty-six thousand, six hundred thirty-one".