1131310111230 has 96 divisors (see below), whose sum is σ = 3266741754720. Its totient is φ = 278476323840.

The previous prime is 1131310111219. The next prime is 1131310111237. The reversal of 1131310111230 is 321110131311.

1131310111230 is a `hidden beast` number, since 1 + 1 + 313 + 10 + 111 + 230 = 666.

It is a super-2 number, since 2×1131310111230² (a number of 25 digits) contains 22 as substring.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1131310111237) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 12350931 + ... + 12442190.

It is an arithmetic number, because the mean of its divisors is an integer number (34028559945).

Almost surely, 2^{1131310111230} is an apocalyptic number.

1131310111230 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1131310111230 is an abundant number, since it is smaller than the sum of its proper divisors (2135431643490).

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

1131310111230 is a wasteful number, since it uses less digits than its factorization.

1131310111230 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24793163 (or 24793144 counting only the distinct ones).

The product of its (nonzero) digits is 54, while the sum is 18.

Adding to 1131310111230 its reverse (321110131311), we get a palindrome (1452420242541).

The spelling of 1131310111230 in words is "one trillion, one hundred thirty-one billion, three hundred ten million, one hundred eleven thousand, two hundred thirty".