427344311 has 2 divisors, whose sum is σ = 427344312. Its totient is φ = 427344310.

The previous prime is 427344299. The next prime is 427344343. The reversal of 427344311 is 113443724.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-427344311 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (427344361) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 213672155 + 213672156.

It is an arithmetic number, because the mean of its divisors is an integer number (213672156).

Almost surely, 2^427344311 is an apocalyptic number.

427344311 is a deficient number, since it is larger than the sum of its proper divisors (1).

427344311 is an equidigital number, since it uses as much as digits as its factorization.

427344311 is an evil number, because the sum of its binary digits is even.

The product of its digits is 8064, while the sum is 29.

The square root of 427344311 is about 20672.3078295579. The cubic root of 427344311 is about 753.2271671248.

It can be divided in two parts, 4273 and 44311, that added together give a palindrome (48584).

The spelling of 427344311 in words is "four hundred twenty-seven million, three hundred forty-four thousand, three hundred eleven".