30313131103 has 12 divisors (see below), whose sum is σ = 32387333400. Its totient is φ = 28365045632.

The previous prime is 30313131077. The next prime is 30313131113. The reversal of 30313131103 is 30113131303.

It is a happy number.

It is not a de Polignac number, because 30313131103 - 2¹⁷ = 30313000031 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30313131113) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 253153 + ... + 353146.

It is an arithmetic number, because the mean of its divisors is an integer number (2698944450).

Almost surely, 2^30313131103 is an apocalyptic number.

30313131103 is a deficient number, since it is larger than the sum of its proper divisors (2074202297).

30313131103 is a wasteful number, since it uses less digits than its factorization.

30313131103 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 606506 (or 606489 counting only the distinct ones).

The product of its (nonzero) digits is 243, while the sum is 19.

Adding to 30313131103 its reverse (30113131303), we get a palindrome (60426262406).

The spelling of 30313131103 in words is "thirty billion, three hundred thirteen million, one hundred thirty-one thousand, one hundred three".