131230011111 has 32 divisors (see below), whose sum is σ = 183795056640. Its totient is φ = 83127660000.

The previous prime is 131230011103. The next prime is 131230011127. The reversal of 131230011111 is 111110032131.

It is not a de Polignac number, because 131230011111 - 2³ = 131230011103 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131230013111) 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 31 ways as a sum of consecutive naturals, for example, 9890800 + ... + 9904058.

It is an arithmetic number, because the mean of its divisors is an integer number (5743595520).

Almost surely, 2^131230011111 is an apocalyptic number.

131230011111 is a deficient number, since it is larger than the sum of its proper divisors (52565045529).

131230011111 is a wasteful number, since it uses less digits than its factorization.

131230011111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14227.

The product of its (nonzero) digits is 18, while the sum is 15.

Adding to 131230011111 its reverse (111110032131), we get a palindrome (242340043242).

The spelling of 131230011111 in words is "one hundred thirty-one billion, two hundred thirty million, eleven thousand, one hundred eleven".