30312403102 has 8 divisors (see below), whose sum is σ = 46326503016. Its totient is φ = 14870235432.

The previous prime is 30312403081. The next prime is 30312403117. The reversal of 30312403102 is 20130421303.

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

It is a self number, because there is not a number n which added to its sum of digits gives 30312403102.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 142982928 + ... + 142983139.

It is an arithmetic number, because the mean of its divisors is an integer number (5790812877).

Almost surely, 2^30312403102 is an apocalyptic number.

30312403102 is a deficient number, since it is larger than the sum of its proper divisors (16014099914).

30312403102 is a wasteful number, since it uses less digits than its factorization.

30312403102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 285966122.

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

Adding to 30312403102 its reverse (20130421303), we get a palindrome (50442824405).

The spelling of 30312403102 in words is "thirty billion, three hundred twelve million, four hundred three thousand, one hundred two".