2243431132427 has 2 divisors, whose sum is σ = 2243431132428. Its totient is φ = 2243431132426.

The previous prime is 2243431132403. The next prime is 2243431132463. The reversal of 2243431132427 is 7242311343422.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2243431132427 is a prime.

It is a super-2 number, since 2×2243431132427² (a number of 26 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (2243431132477) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1121715566213 + 1121715566214.

It is an arithmetic number, because the mean of its divisors is an integer number (1121715566214).

Almost surely, 2^{2243431132427} is an apocalyptic number.

2243431132427 is a deficient number, since it is larger than the sum of its proper divisors (1).

2243431132427 is an equidigital number, since it uses as much as digits as its factorization.

2243431132427 is an evil number, because the sum of its binary digits is even.

The product of its digits is 193536, while the sum is 38.

Adding to 2243431132427 its reverse (7242311343422), we get a palindrome (9485742475849).

The spelling of 2243431132427 in words is "two trillion, two hundred forty-three billion, four hundred thirty-one million, one hundred thirty-two thousand, four hundred twenty-seven".