255117200231 has 2 divisors, whose sum is σ = 255117200232. Its totient is φ = 255117200230.

The previous prime is 255117200201. The next prime is 255117200263. The reversal of 255117200231 is 132002711552.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-255117200231 is a prime.

It is a super-2 number, since 2×255117200231² (a number of 24 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 255117200194 and 255117200203.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (255117200201) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 127558600115 + 127558600116.

It is an arithmetic number, because the mean of its divisors is an integer number (127558600116).

Almost surely, 2^255117200231 is an apocalyptic number.

255117200231 is a deficient number, since it is larger than the sum of its proper divisors (1).

255117200231 is an equidigital number, since it uses as much as digits as its factorization.

255117200231 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4200, while the sum is 29.

Adding to 255117200231 its reverse (132002711552), we get a palindrome (387119911783).

The spelling of 255117200231 in words is "two hundred fifty-five billion, one hundred seventeen million, two hundred thousand, two hundred thirty-one".