302142233021 has 32 divisors (see below), whose sum is σ = 322976471040. Its totient is φ = 282033259200.

The previous prime is 302142232979. The next prime is 302142233033. The reversal of 302142233021 is 120332241203.

It is a cyclic number.

It is not a de Polignac number, because 302142233021 - 2¹⁸ = 302141970877 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (23).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (302142233221) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 106274426 + ... + 106277268.

It is an arithmetic number, because the mean of its divisors is an integer number (10093014720).

Almost surely, 2^302142233021 is an apocalyptic number.

It is an amenable number.

302142233021 is a deficient number, since it is larger than the sum of its proper divisors (20834238019).

302142233021 is a wasteful number, since it uses less digits than its factorization.

302142233021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3497.

The product of its (nonzero) digits is 1728, while the sum is 23.

Adding to 302142233021 its reverse (120332241203), we get a palindrome (422474474224).

The spelling of 302142233021 in words is "three hundred two billion, one hundred forty-two million, two hundred thirty-three thousand, twenty-one".