302134543021240 has 64 divisors (see below), whose sum is σ = 737346998172960. Its totient is φ = 110970506465280.

The previous prime is 302134543021237. The next prime is 302134543021303. The reversal of 302134543021240 is 42120345431203.

It is a super-2 number, since 2×302134543021240² (a number of 30 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (34).

It is a junction number, because it is equal to n+sod(n) for n = 302134543021196 and 302134543021205.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5418453882 + ... + 5418509641.

Almost surely, 2^{302134543021240} is an apocalyptic number.

It is an amenable number.

302134543021240 is an abundant number, since it is smaller than the sum of its proper divisors (435212455151720).

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

302134543021240 is a wasteful number, since it uses less digits than its factorization.

302134543021240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10836963592 (or 10836963588 counting only the distinct ones).

The product of its (nonzero) digits is 69120, while the sum is 34.

Adding to 302134543021240 its reverse (42120345431203), we get a palindrome (344254888452443).

The spelling of 302134543021240 in words is "three hundred two trillion, one hundred thirty-four billion, five hundred forty-three million, twenty-one thousand, two hundred forty".