302011320030 has 128 divisors (see below), whose sum is σ = 841000845312. Its totient is φ = 67986874368.

The previous prime is 302011319993. The next prime is 302011320041. The reversal of 302011320030 is 30023110203.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a junction number, because it is equal to n+sod(n) for n = 302011319991 and 302011320009.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 3612462 + ... + 3695118.

It is an arithmetic number, because the mean of its divisors is an integer number (6570319104).

Almost surely, 2^302011320030 is an apocalyptic number.

302011320030 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 302011320030, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (420500422656).

302011320030 is an abundant number, since it is smaller than the sum of its proper divisors (538989525282).

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

302011320030 is a wasteful number, since it uses less digits than its factorization.

302011320030 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 82938.

The product of its (nonzero) digits is 108, while the sum is 15.

Adding to 302011320030 its reverse (30023110203), we get a palindrome (332034430233).

The spelling of 302011320030 in words is "three hundred two billion, eleven million, three hundred twenty thousand, thirty".