42311207 has 2 divisors, whose sum is σ = 42311208. Its totient is φ = 42311206.

The previous prime is 42311189. The next prime is 42311231. The reversal of 42311207 is 70211324.

42311207 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 42311207 - 2¹⁴ = 42294823 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 (42311107) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21155603 + 21155604.

It is an arithmetic number, because the mean of its divisors is an integer number (21155604).

Almost surely, 2^42311207 is an apocalyptic number.

42311207 is a deficient number, since it is larger than the sum of its proper divisors (1).

42311207 is an equidigital number, since it uses as much as digits as its factorization.

42311207 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 336, while the sum is 20.

The square root of 42311207 is about 6504.7065268158. The cubic root of 42311207 is about 348.4590953804.

The spelling of 42311207 in words is "forty-two million, three hundred eleven thousand, two hundred seven".