30231130311 has 80 divisors (see below), whose sum is σ = 48387144960. Its totient is φ = 18743788800.

The previous prime is 30231130283. The next prime is 30231130331. The reversal of 30231130311 is 11303113203.

It is a happy number.

It is not a de Polignac number, because 30231130311 - 2¹⁹ = 30230606023 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30231130331) by changing a digit.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 72150460 + ... + 72150878.

It is an arithmetic number, because the mean of its divisors is an integer number (604839312).

Almost surely, 2^30231130311 is an apocalyptic number.

30231130311 is a deficient number, since it is larger than the sum of its proper divisors (18156014649).

30231130311 is a wasteful number, since it uses less digits than its factorization.

30231130311 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 946 (or 937 counting only the distinct ones).

The product of its (nonzero) digits is 162, while the sum is 18.

Adding to 30231130311 its reverse (11303113203), we get a palindrome (41534243514).

The spelling of 30231130311 in words is "thirty billion, two hundred thirty-one million, one hundred thirty thousand, three hundred eleven".