10302442243 has 4 divisors (see below), whose sum is σ = 10345191208. Its totient is φ = 10259693280.

The previous prime is 10302442231. The next prime is 10302442273. The reversal of 10302442243 is 34224420301.

It is a happy number.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-10302442243 is a prime.

It is a super-2 number, since 2×10302442243² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (10302442223) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 21374121 + ... + 21374602.

It is an arithmetic number, because the mean of its divisors is an integer number (2586297802).

Almost surely, 2^10302442243 is an apocalyptic number.

10302442243 is a deficient number, since it is larger than the sum of its proper divisors (42748965).

10302442243 is an equidigital number, since it uses as much as digits as its factorization.

10302442243 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42748964.

The product of its (nonzero) digits is 4608, while the sum is 25.

Adding to 10302442243 its reverse (34224420301), we get a palindrome (44526862544).

The spelling of 10302442243 in words is "ten billion, three hundred two million, four hundred forty-two thousand, two hundred forty-three".