228899510431 has 2 divisors, whose sum is σ = 228899510432. Its totient is φ = 228899510430.

The previous prime is 228899510429. The next prime is 228899510461. The reversal of 228899510431 is 134015998822.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 228899510431 - 2¹ = 228899510429 is a prime.

It is a super-2 number, since 2×228899510431² (a number of 24 digits) contains 22 as substring.

Together with 228899510429, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (228899510461) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 114449755215 + 114449755216.

It is an arithmetic number, because the mean of its divisors is an integer number (114449755216).

Almost surely, 2^228899510431 is an apocalyptic number.

228899510431 is a deficient number, since it is larger than the sum of its proper divisors (1).

228899510431 is an equidigital number, since it uses as much as digits as its factorization.

228899510431 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1244160, while the sum is 52.

The spelling of 228899510431 in words is "two hundred twenty-eight billion, eight hundred ninety-nine million, five hundred ten thousand, four hundred thirty-one".