131144321111 has 8 divisors (see below), whose sum is σ = 132219184800. Its totient is φ = 130073616288.

The previous prime is 131144321029. The next prime is 131144321117. The reversal of 131144321111 is 111123441131.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 131144321111 - 2¹⁴ = 131144304727 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131144321117) 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, 976376 + ... + 1102541.

It is an arithmetic number, because the mean of its divisors is an integer number (16527398100).

Almost surely, 2^131144321111 is an apocalyptic number.

131144321111 is a deficient number, since it is larger than the sum of its proper divisors (1074863689).

131144321111 is a wasteful number, since it uses less digits than its factorization.

131144321111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2079433.

The product of its digits is 288, while the sum is 23.

Adding to 131144321111 its reverse (111123441131), we get a palindrome (242267762242).

The spelling of 131144321111 in words is "one hundred thirty-one billion, one hundred forty-four million, three hundred twenty-one thousand, one hundred eleven".