1131110031320 has 64 divisors (see below), whose sum is σ = 2579782867200. Its totient is φ = 446301331840.

The previous prime is 1131110031301. The next prime is 1131110031329. The reversal of 1131110031320 is 231300111311.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1131110031329) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 228791 + ... + 1521369.

It is an arithmetic number, because the mean of its divisors is an integer number (40309107300).

Almost surely, 2^{1131110031320} is an apocalyptic number.

1131110031320 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1131110031320 is an abundant number, since it is smaller than the sum of its proper divisors (1448672835880).

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

1131110031320 is a wasteful number, since it uses less digits than its factorization.

1131110031320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1292888 (or 1292884 counting only the distinct ones).

The product of its (nonzero) digits is 54, while the sum is 17.

Adding to 1131110031320 its reverse (231300111311), we get a palindrome (1362410142631).

The spelling of 1131110031320 in words is "one trillion, one hundred thirty-one billion, one hundred ten million, thirty-one thousand, three hundred twenty".