231130330013030 has 24 divisors (see below), whose sum is σ = 483958609375248. Its totient is φ = 79244684575728.

The previous prime is 231130330012957. The next prime is 231130330013039. The reversal of 231130330013030 is 30310033031132.

It is a junction number, because it is equal to n+sod(n) for n = 231130330012987 and 231130330013005.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (231130330013039) 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, 235847275034 + ... + 235847276013.

It is an arithmetic number, because the mean of its divisors is an integer number (20164942057302).

Almost surely, 2^{231130330013030} is an apocalyptic number.

231130330013030 is an abundant number, since it is smaller than the sum of its proper divisors (252828279362218).

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

231130330013030 is a wasteful number, since it uses less digits than its factorization.

231130330013030 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 471694551068 (or 471694551061 counting only the distinct ones).

The product of its (nonzero) digits is 1458, while the sum is 23.

Adding to 231130330013030 its reverse (30310033031132), we get a palindrome (261440363044162).

The spelling of 231130330013030 in words is "two hundred thirty-one trillion, one hundred thirty billion, three hundred thirty million, thirteen thousand, thirty".