30312202102 has 64 divisors (see below), whose sum is σ = 59302656000. Its totient is φ = 11284064640.

The previous prime is 30312202099. The next prime is 30312202103. The reversal of 30312202102 is 20120221303.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30312202103) 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, 485827 + ... + 544657.

It is an arithmetic number, because the mean of its divisors is an integer number (926604000).

Almost surely, 2^30312202102 is an apocalyptic number.

30312202102 is a deficient number, since it is larger than the sum of its proper divisors (28990453898).

30312202102 is a wasteful number, since it uses less digits than its factorization.

30312202102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 59021.

The product of its (nonzero) digits is 144, while the sum is 16.

Adding to 30312202102 its reverse (20120221303), we get a palindrome (50432423405).

The spelling of 30312202102 in words is "thirty billion, three hundred twelve million, two hundred two thousand, one hundred two".