30131310302103 has 16 divisors (see below), whose sum is σ = 40373158484736. Its totient is φ = 19988593684800.

The previous prime is 30131310302089. The next prime is 30131310302207. The reversal of 30131310302103 is 30120301313103.

It is not a de Polignac number, because 30131310302103 - 2²¹ = 30131308204951 is a prime.

It is a super-2 number, since 2×30131310302103² (a number of 28 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 30131310302103.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30131310307103) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10261723 + ... + 12867228.

It is an arithmetic number, because the mean of its divisors is an integer number (2523322405296).

Almost surely, 2^{30131310302103} is an apocalyptic number.

30131310302103 is a deficient number, since it is larger than the sum of its proper divisors (10241848182633).

30131310302103 is a wasteful number, since it uses less digits than its factorization.

30131310302103 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23131094.

The product of its (nonzero) digits is 486, while the sum is 21.

Adding to 30131310302103 its reverse (30120301313103), we get a palindrome (60251611615206).

The spelling of 30131310302103 in words is "thirty trillion, one hundred thirty-one billion, three hundred ten million, three hundred two thousand, one hundred three".