9942311 has 2 divisors, whose sum is σ = 9942312. Its totient is φ = 9942310.

The previous prime is 9942299. The next prime is 9942341. The reversal of 9942311 is 1132499.

It is a happy number.

It is a weak prime.

It is an emirp because it is prime and its reverse (1132499) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 9942311 - 2²² = 5748007 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 (9942341) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4971155 + 4971156.

It is an arithmetic number, because the mean of its divisors is an integer number (4971156).

Almost surely, 2^9942311 is an apocalyptic number.

9942311 is a deficient number, since it is larger than the sum of its proper divisors (1).

9942311 is an equidigital number, since it uses as much as digits as its factorization.

9942311 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1944, while the sum is 29.

The square root of 9942311 is about 3153.1430351318. The cubic root of 9942311 is about 215.0283791636.

The spelling of 9942311 in words is "nine million, nine hundred forty-two thousand, three hundred eleven".