1231112301330 has 32 divisors (see below), whose sum is σ = 2954986642944. Its totient is φ = 328261378176.

The previous prime is 1231112301323. The next prime is 1231112301347. The reversal of 1231112301330 is 331032111321.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 1231112301297 and 1231112301306.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1917442 + ... + 2477661.

It is an arithmetic number, because the mean of its divisors is an integer number (92343332592).

Almost surely, 2^{1231112301330} is an apocalyptic number.

1231112301330 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1231112301330 is an abundant number, since it is smaller than the sum of its proper divisors (1723874341614).

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

1231112301330 is a wasteful number, since it uses less digits than its factorization.

1231112301330 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4404450.

The product of its (nonzero) digits is 324, while the sum is 21.

Adding to 1231112301330 its reverse (331032111321), we get a palindrome (1562144412651).

The spelling of 1231112301330 in words is "one trillion, two hundred thirty-one billion, one hundred twelve million, three hundred one thousand, three hundred thirty".