131024004032231 has 4 divisors (see below), whose sum is σ = 131046359268264. Its totient is φ = 131001648796200.

The previous prime is 131024004032213. The next prime is 131024004032249. The reversal of 131024004032231 is 132230400420131.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (131024004032213) and next prime (131024004032249).

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-131024004032231 is a prime.

It is a super-2 number, since 2×131024004032231² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 131024004032231.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131024004032531) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11177609225 + ... + 11177620946.

It is an arithmetic number, because the mean of its divisors is an integer number (32761589817066).

Almost surely, 2^{131024004032231} is an apocalyptic number.

131024004032231 is a deficient number, since it is larger than the sum of its proper divisors (22355236033).

131024004032231 is an equidigital number, since it uses as much as digits as its factorization.

131024004032231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22355236032.

The product of its (nonzero) digits is 3456, while the sum is 26.

Adding to 131024004032231 its reverse (132230400420131), we get a palindrome (263254404452362).

The spelling of 131024004032231 in words is "one hundred thirty-one trillion, twenty-four billion, four million, thirty-two thousand, two hundred thirty-one".