42351311 has 2 divisors, whose sum is σ = 42351312. Its totient is φ = 42351310.

The previous prime is 42351307. The next prime is 42351343. The reversal of 42351311 is 11315324.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 42351311 - 2² = 42351307 is a prime.

It is a Sophie Germain 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 (42351391) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21175655 + 21175656.

It is an arithmetic number, because the mean of its divisors is an integer number (21175656).

Almost surely, 2^42351311 is an apocalyptic number.

42351311 is a deficient number, since it is larger than the sum of its proper divisors (1).

42351311 is an equidigital number, since it uses as much as digits as its factorization.

42351311 is an evil number, because the sum of its binary digits is even.

The product of its digits is 360, while the sum is 20.

The square root of 42351311 is about 6507.7884876508. The cubic root of 42351311 is about 348.5691544063.

Adding to 42351311 its reverse (11315324), we get a palindrome (53666635).

The spelling of 42351311 in words is "forty-two million, three hundred fifty-one thousand, three hundred eleven".