131343026 has 8 divisors (see below), whose sum is σ = 198965484. Its totient is φ = 65021200.

The previous prime is 131342993. The next prime is 131343031. The reversal of 131343026 is 620343131.

It can be written as a sum of positive squares in 2 ways, for example, as 125462401 + 5880625 = 11201^2 + 2425^2 .

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

It is a junction number, because it is equal to n+sod(n) for n = 131342992 and 131343010.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 324905 + ... + 325308.

Almost surely, 2^131343026 is an apocalyptic number.

131343026 is a deficient number, since it is larger than the sum of its proper divisors (67622458).

131343026 is a wasteful number, since it uses less digits than its factorization.

131343026 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 650316.

The product of its (nonzero) digits is 1296, while the sum is 23.

The square root of 131343026 is about 11460.4985057370. The cubic root of 131343026 is about 508.3182151794.

Adding to 131343026 its reverse (620343131), we get a palindrome (751686157).

The spelling of 131343026 in words is "one hundred thirty-one million, three hundred forty-three thousand, twenty-six".