30140323402 has 8 divisors (see below), whose sum is σ = 51669125856. Its totient is φ = 12917281452.

The previous prime is 30140323393. The next prime is 30140323403. The reversal of 30140323402 is 20432304103.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (30140323403) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1076440108 + ... + 1076440135.

It is an arithmetic number, because the mean of its divisors is an integer number (6458640732).

Almost surely, 2^30140323402 is an apocalyptic number.

30140323402 is a deficient number, since it is larger than the sum of its proper divisors (21528802454).

30140323402 is a wasteful number, since it uses less digits than its factorization.

30140323402 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2152880252.

The product of its (nonzero) digits is 1728, while the sum is 22.

Adding to 30140323402 its reverse (20432304103), we get a palindrome (50572627505).

The spelling of 30140323402 in words is "thirty billion, one hundred forty million, three hundred twenty-three thousand, four hundred two".