30131103102 has 16 divisors (see below), whose sum is σ = 60269568912. Its totient is φ = 10042473920.

The previous prime is 30131103097. The next prime is 30131103109. The reversal of 30131103102 is 20130113103.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30131103109) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 252849 + ... + 352412.

It is an arithmetic number, because the mean of its divisors is an integer number (3766848057).

Almost surely, 2^30131103102 is an apocalyptic number.

30131103102 is an abundant number, since it is smaller than the sum of its proper divisors (30138465810).

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

30131103102 is a wasteful number, since it uses less digits than its factorization.

30131103102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 613563.

The product of its (nonzero) digits is 54, while the sum is 15.

Adding to 30131103102 its reverse (20130113103), we get a palindrome (50261216205).

The spelling of 30131103102 in words is "thirty billion, one hundred thirty-one million, one hundred three thousand, one hundred two".