131111230 has 16 divisors (see below), whose sum is σ = 236983824. Its totient is φ = 52225920.

The previous prime is 131111221. The next prime is 131111243. The reversal of 131111230 is 32111131.

It is a super-2 number, since 2×131111230² = 34380309264225800, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 131111230.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 24792 + ... + 29611.

It is an arithmetic number, because the mean of its divisors is an integer number (14811489).

Almost surely, 2^131111230 is an apocalyptic number.

131111230 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

131111230 is a deficient number, since it is larger than the sum of its proper divisors (105872594).

131111230 is a wasteful number, since it uses less digits than its factorization.

131111230 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 54651.

The product of its (nonzero) digits is 18, while the sum is 13.

The square root of 131111230 is about 11450.3812163613. The cubic root of 131111230 is about 508.0190100766.

Adding to 131111230 its reverse (32111131), we get a palindrome (163222361).

Subtracting from 131111230 its reverse (32111131), we obtain a palindrome (99000099).

It can be divided in two parts, 13111 and 1230, that added together give a palindrome (14341).

The spelling of 131111230 in words is "one hundred thirty-one million, one hundred eleven thousand, two hundred thirty".