42902311 has 4 divisors (see below), whose sum is σ = 43542712. Its totient is φ = 42261912.

The previous prime is 42902309. The next prime is 42902341. The reversal of 42902311 is 11320924.

42902311 = T₁₀₉₈ + T₁₀₉₉ + ... + T₁₁₆₄.

42902311 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 42902311 - 2¹ = 42902309 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42902341) 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 in 3 ways as a sum of consecutive naturals, for example, 320100 + ... + 320233.

It is an arithmetic number, because the mean of its divisors is an integer number (10885678).

Almost surely, 2^42902311 is an apocalyptic number.

42902311 is a deficient number, since it is larger than the sum of its proper divisors (640401).

42902311 is an equidigital number, since it uses as much as digits as its factorization.

42902311 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 640400.

The product of its (nonzero) digits is 432, while the sum is 22.

The square root of 42902311 is about 6549.9855725032. The cubic root of 42902311 is about 350.0742998724.

The spelling of 42902311 in words is "forty-two million, nine hundred two thousand, three hundred eleven".