2745230231 has 2 divisors, whose sum is σ = 2745230232. Its totient is φ = 2745230230.

The previous prime is 2745230221. The next prime is 2745230233. The reversal of 2745230231 is 1320325472.

2745230231 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2745230231 is a prime.

It is a super-2 number, since 2×2745230231² = 15072578042392626722, which contains 22 as substring.

Together with 2745230233, it forms a pair of twin primes.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 2745230194 and 2745230203.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2745230233) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1372615115 + 1372615116.

It is an arithmetic number, because the mean of its divisors is an integer number (1372615116).

Almost surely, 2^2745230231 is an apocalyptic number.

2745230231 is a deficient number, since it is larger than the sum of its proper divisors (1).

2745230231 is an equidigital number, since it uses as much as digits as its factorization.

2745230231 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 10080, while the sum is 29.

The square root of 2745230231 is about 52394.9447084354. The cubic root of 2745230231 is about 1400.2091916997.

The spelling of 2745230231 in words is "two billion, seven hundred forty-five million, two hundred thirty thousand, two hundred thirty-one".