230131220112 has 30 divisors (see below), whose sum is σ = 644047790022. Its totient is φ = 76710406656.

The previous prime is 230131220107. The next prime is 230131220131. The reversal of 230131220112 is 211022131032.

230131220112 is a `hidden beast` number, since 2 + 301 + 31 + 220 + 112 = 666.

It can be written as a sum of positive squares in only one way, i.e., 194237644176 + 35893575936 = 440724^2 + 189456^2 .

It is a Harshad number since it is a multiple of its sum of digits (18).

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 799066593 + ... + 799066880.

Almost surely, 2^230131220112 is an apocalyptic number.

It is an amenable number.

230131220112 is an abundant number, since it is smaller than the sum of its proper divisors (413916569910).

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

230131220112 is a wasteful number, since it uses less digits than its factorization.

230131220112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1598133487 (or 1598133478 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 18.

Adding to 230131220112 its reverse (211022131032), we get a palindrome (441153351144).

The spelling of 230131220112 in words is "two hundred thirty billion, one hundred thirty-one million, two hundred twenty thousand, one hundred twelve".