111232031130 has 48 divisors (see below), whose sum is σ = 315494491104. Its totient is φ = 26965340640.

The previous prime is 111232031111. The next prime is 111232031159. The reversal of 111232031130 is 31130232111.

111232031130 is a `hidden beast` number, since 1 + 1 + 1 + 2 + 320 + 311 + 30 = 666.

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 23 ways as a sum of consecutive naturals, for example, 56176804 + ... + 56178783.

It is an arithmetic number, because the mean of its divisors is an integer number (6572801898).

Almost surely, 2^111232031130 is an apocalyptic number.

111232031130 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

111232031130 is an abundant number, since it is smaller than the sum of its proper divisors (204262459974).

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

111232031130 is a wasteful number, since it uses less digits than its factorization.

111232031130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 112355611 (or 112355608 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 18.

Adding to 111232031130 its reverse (31130232111), we get a palindrome (142362263241).

The spelling of 111232031130 in words is "one hundred eleven billion, two hundred thirty-two million, thirty-one thousand, one hundred thirty".