30130211031 has 4 divisors (see below), whose sum is σ = 40173614712. Its totient is φ = 20086807352.

The previous prime is 30130211017. The next prime is 30130211047. The reversal of 30130211031 is 13011203103.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 30130211031 - 2¹⁰ = 30130210007 is a prime.

It is a super-2 number, since 2×30130211031² (a number of 22 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 30130211031.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30130211051) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5021701836 + ... + 5021701841.

It is an arithmetic number, because the mean of its divisors is an integer number (10043403678).

Almost surely, 2^30130211031 is an apocalyptic number.

30130211031 is a deficient number, since it is larger than the sum of its proper divisors (10043403681).

30130211031 is a wasteful number, since it uses less digits than its factorization.

30130211031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10043403680.

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

Adding to 30130211031 its reverse (13011203103), we get a palindrome (43141414134).

The spelling of 30130211031 in words is "thirty billion, one hundred thirty million, two hundred eleven thousand, thirty-one".