131276225443 has 12 divisors (see below), whose sum is σ = 144325158544. Its totient is φ = 119317374000.

The previous prime is 131276225387. The next prime is 131276225447. The reversal of 131276225443 is 344522672131.

It is a de Polignac number, because none of the positive numbers 2^k-131276225443 is a prime.

It is a super-2 number, since 2×131276225443² (a number of 23 digits) contains 22 as substring.

It is a hoax number, since the sum of its digits (40) coincides with the sum of the digits of its distinct prime factors.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 131276225396 and 131276225405.

It is not an unprimeable number, because it can be changed into a prime (131276225447) 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 11 ways as a sum of consecutive naturals, for example, 489505 + ... + 708637.

Almost surely, 2^131276225443 is an apocalyptic number.

131276225443 is a deficient number, since it is larger than the sum of its proper divisors (13048933101).

131276225443 is a wasteful number, since it uses less digits than its factorization.

131276225443 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 224106 (or 224095 counting only the distinct ones).

The product of its digits is 241920, while the sum is 40.

Adding to 131276225443 its reverse (344522672131), we get a palindrome (475798897574).

The spelling of 131276225443 in words is "one hundred thirty-one billion, two hundred seventy-six million, two hundred twenty-five thousand, four hundred forty-three".