131344302646 has 16 divisors (see below), whose sum is σ = 208471541760. Its totient is φ = 61889982120.

The previous prime is 131344302643. The next prime is 131344302671. The reversal of 131344302646 is 646203443131.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131344302643) 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, 9040986 + ... + 9055501.

It is an arithmetic number, because the mean of its divisors is an integer number (13029471360).

Almost surely, 2^131344302646 is an apocalyptic number.

131344302646 is a deficient number, since it is larger than the sum of its proper divisors (77127239114).

131344302646 is a wasteful number, since it uses less digits than its factorization.

131344302646 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18096699.

The product of its (nonzero) digits is 124416, while the sum is 37.

Adding to 131344302646 its reverse (646203443131), we get a palindrome (777547745777).

The spelling of 131344302646 in words is "one hundred thirty-one billion, three hundred forty-four million, three hundred two thousand, six hundred forty-six".