30023131302 has 20 divisors (see below), whose sum is σ = 67274053836. Its totient is φ = 10007710380.

The previous prime is 30023131289. The next prime is 30023131321. The reversal of 30023131302 is 20313132003.

30023131302 is a `hidden beast` number, since 300 + 2 + 31 + 31 + 302 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 92663824 + ... + 92664147.

Almost surely, 2^30023131302 is an apocalyptic number.

30023131302 is an abundant number, since it is smaller than the sum of its proper divisors (37250922534).

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

30023131302 is a wasteful number, since it uses less digits than its factorization.

30023131302 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 185327985 (or 185327976 counting only the distinct ones).

The product of its (nonzero) digits is 324, while the sum is 18.

Adding to 30023131302 its reverse (20313132003), we get a palindrome (50336263305).

The spelling of 30023131302 in words is "thirty billion, twenty-three million, one hundred thirty-one thousand, three hundred two".