131111012230 has 16 divisors (see below), whose sum is σ = 257454351504. Its totient is φ = 47676731680.

The previous prime is 131111012213. The next prime is 131111012237. The reversal of 131111012230 is 32210111131.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131111012237) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 595959037 + ... + 595959256.

It is an arithmetic number, because the mean of its divisors is an integer number (16090896969).

Almost surely, 2^131111012230 is an apocalyptic number.

131111012230 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

131111012230 is a deficient number, since it is larger than the sum of its proper divisors (126343339274).

131111012230 is a wasteful number, since it uses less digits than its factorization.

131111012230 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1191918311.

The product of its (nonzero) digits is 36, while the sum is 16.

Adding to 131111012230 its reverse (32210111131), we get a palindrome (163321123361).

The spelling of 131111012230 in words is "one hundred thirty-one billion, one hundred eleven million, twelve thousand, two hundred thirty".