302311242 has 96 divisors (see below), whose sum is σ = 719209920. Its totient is φ = 91445760.

The previous prime is 302311159. The next prime is 302311253. The reversal of 302311242 is 242113203.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 896898 + ... + 897234.

It is an arithmetic number, because the mean of its divisors is an integer number (7491770).

Almost surely, 2^302311242 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 302311242, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (359604960).

302311242 is an abundant number, since it is smaller than the sum of its proper divisors (416898678).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

302311242 is a wasteful number, since it uses less digits than its factorization.

302311242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 468 (or 465 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

The square root of 302311242 is about 17387.0998731818. The cubic root of 302311242 is about 671.1476891184.

Adding to 302311242 its reverse (242113203), we get a palindrome (544424445).

The spelling of 302311242 in words is "three hundred two million, three hundred eleven thousand, two hundred forty-two".