302143313112 has 32 divisors (see below), whose sum is σ = 755456856000. Its totient is φ = 100701294624.

The previous prime is 302143313099. The next prime is 302143313119. The reversal of 302143313112 is 211313341203.

It is a super-2 number, since 2×302143313112² (a number of 24 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (302143313119) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 632818 + ... + 1002369.

It is an arithmetic number, because the mean of its divisors is an integer number (23608026750).

Almost surely, 2^302143313112 is an apocalyptic number.

It is an amenable number.

302143313112 is an abundant number, since it is smaller than the sum of its proper divisors (453313542888).

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

302143313112 is a wasteful number, since it uses less digits than its factorization.

302143313112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1642895 (or 1642891 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 24.

Adding to 302143313112 its reverse (211313341203), we get a palindrome (513456654315).

The spelling of 302143313112 in words is "three hundred two billion, one hundred forty-three million, three hundred thirteen thousand, one hundred twelve".