302102010442 has 4 divisors (see below), whose sum is σ = 453153015666. Its totient is φ = 151051005220.

The previous prime is 302102010377. The next prime is 302102010451. The reversal of 302102010442 is 244010201203.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 244010201203 = 31 ⋅7871296813.

It can be written as a sum of positive squares in only one way, i.e., 220882140361 + 81219870081 = 469981^2 + 284991^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 75525502609 + ... + 75525502612.

Almost surely, 2^302102010442 is an apocalyptic number.

302102010442 is a deficient number, since it is larger than the sum of its proper divisors (151051005224).

302102010442 is a wasteful number, since it uses less digits than its factorization.

302102010442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 151051005223.

The product of its (nonzero) digits is 384, while the sum is 19.

Adding to 302102010442 its reverse (244010201203), we get a palindrome (546112211645).

The spelling of 302102010442 in words is "three hundred two billion, one hundred two million, ten thousand, four hundred forty-two".