131236262143 has 8 divisors (see below), whose sum is σ = 156505356288. Its totient is φ = 107597432184.

The previous prime is 131236262137. The next prime is 131236262149. The reversal of 131236262143 is 341262632131.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (131236262137) and next prime (131236262149).

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-131236262143 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 131236262099 and 131236262108.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131236262149) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 407565871 + ... + 407566192.

It is an arithmetic number, because the mean of its divisors is an integer number (19563169536).

Almost surely, 2^131236262143 is an apocalyptic number.

131236262143 is a deficient number, since it is larger than the sum of its proper divisors (25269094145).

131236262143 is an equidigital number, since it uses as much as digits as its factorization.

131236262143 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 815132093.

The product of its digits is 31104, while the sum is 34.

Adding to 131236262143 its reverse (341262632131), we get a palindrome (472498894274).

The spelling of 131236262143 in words is "one hundred thirty-one billion, two hundred thirty-six million, two hundred sixty-two thousand, one hundred forty-three".