131113064602 has 16 divisors (see below), whose sum is σ = 211809061800. Its totient is φ = 60510569472.

The previous prime is 131113064491. The next prime is 131113064627. The reversal of 131113064602 is 206460311131.

It can be written as a sum of positive squares in 4 ways, for example, as 90535393881 + 40577670721 = 300891^2 + 201439^2 .

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 in 7 ways as a sum of consecutive naturals, for example, 421138 + ... + 663010.

Almost surely, 2^131113064602 is an apocalyptic number.

131113064602 is a deficient number, since it is larger than the sum of its proper divisors (80695997198).

131113064602 is a wasteful number, since it uses less digits than its factorization.

131113064602 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 262737.

The product of its (nonzero) digits is 2592, while the sum is 28.

Adding to 131113064602 its reverse (206460311131), we get a palindrome (337573375733).

The spelling of 131113064602 in words is "one hundred thirty-one billion, one hundred thirteen million, sixty-four thousand, six hundred two".