302133032142442 has 4 divisors (see below), whose sum is σ = 453199548213666. Its totient is φ = 151066516071220.

The previous prime is 302133032142349. The next prime is 302133032142457. The reversal of 302133032142442 is 244241230331203.

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

It can be written as a sum of positive squares in only one way, i.e., 191814162390601 + 110318869751841 = 13849699^2 + 10503279^2 .

It is a super-2 number, since 2×302133032142442² (a number of 30 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 302133032142398 and 302133032142407.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 75533258035609 + ... + 75533258035612.

Almost surely, 2^{302133032142442} is an apocalyptic number.

302133032142442 is a deficient number, since it is larger than the sum of its proper divisors (151066516071224).

302133032142442 is a wasteful number, since it uses less digits than its factorization.

302133032142442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 151066516071223.

The product of its (nonzero) digits is 82944, while the sum is 34.

Adding to 302133032142442 its reverse (244241230331203), we get a palindrome (546374262473645).

The spelling of 302133032142442 in words is "three hundred two trillion, one hundred thirty-three billion, thirty-two million, one hundred forty-two thousand, four hundred forty-two".