302013431020 has 96 divisors (see below), whose sum is σ = 757062835200. Its totient is φ = 98951618304.

The previous prime is 302013430973. The next prime is 302013431029. The reversal of 302013431020 is 20134310203.

It is a super-2 number, since 2×302013431020² (a number of 24 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (302013431029) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3398311 + ... + 3486049.

It is an arithmetic number, because the mean of its divisors is an integer number (7886071200).

Almost surely, 2^302013431020 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 302013431020, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (378531417600).

302013431020 is an abundant number, since it is smaller than the sum of its proper divisors (455049404180).

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

302013431020 is a wasteful number, since it uses less digits than its factorization.

302013431020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 88847 (or 88845 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 19.

Adding to 302013431020 its reverse (20134310203), we get a palindrome (322147741223).

The spelling of 302013431020 in words is "three hundred two billion, thirteen million, four hundred thirty-one thousand, twenty".