42311299 has 2 divisors, whose sum is σ = 42311300. Its totient is φ = 42311298.

The previous prime is 42311281. The next prime is 42311333. The reversal of 42311299 is 99211324.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 42311299 - 2¹¹ = 42309251 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 42311299.

It is not a weakly prime, because it can be changed into another prime (42311999) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21155649 + 21155650.

It is an arithmetic number, because the mean of its divisors is an integer number (21155650).

Almost surely, 2^42311299 is an apocalyptic number.

42311299 is a deficient number, since it is larger than the sum of its proper divisors (1).

42311299 is an equidigital number, since it uses as much as digits as its factorization.

42311299 is an evil number, because the sum of its binary digits is even.

The product of its digits is 3888, while the sum is 31.

The square root of 42311299 is about 6504.7135986145. The cubic root of 42311299 is about 348.4593479393.

The spelling of 42311299 in words is "forty-two million, three hundred eleven thousand, two hundred ninety-nine".