131325334466 has 4 divisors (see below), whose sum is σ = 196988001702. Its totient is φ = 65662667232.

The previous prime is 131325334457. The next prime is 131325334501. The reversal of 131325334466 is 664433523131.

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

It can be written as a sum of positive squares in only one way, i.e., 76090464025 + 55234870441 = 275845^2 + 235021^2 .

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 32831333615 + ... + 32831333618.

Almost surely, 2^131325334466 is an apocalyptic number.

131325334466 is a deficient number, since it is larger than the sum of its proper divisors (65662667236).

131325334466 is an equidigital number, since it uses as much as digits as its factorization.

131325334466 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 65662667235.

The product of its digits is 466560, while the sum is 41.

Adding to 131325334466 its reverse (664433523131), we get a palindrome (795758857597).

The spelling of 131325334466 in words is "one hundred thirty-one billion, three hundred twenty-five million, three hundred thirty-four thousand, four hundred sixty-six".