131012223400232 has 32 divisors (see below), whose sum is σ = 249035714001000. Its totient is φ = 64602863668224.

The previous prime is 131012223400217. The next prime is 131012223400243. The reversal of 131012223400232 is 232004322210131.

It can be written as a sum of positive squares in 4 ways, for example, as 104138636967556 + 26873586432676 = 10204834^2 + 5183974^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3850373 + ... + 16638804.

Almost surely, 2^{131012223400232} is an apocalyptic number.

It is an amenable number.

131012223400232 is a deficient number, since it is larger than the sum of its proper divisors (118023490600768).

131012223400232 is a wasteful number, since it uses less digits than its factorization.

131012223400232 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20500205 (or 20500201 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 26.

Adding to 131012223400232 its reverse (232004322210131), we get a palindrome (363016545610363).

The spelling of 131012223400232 in words is "one hundred thirty-one trillion, twelve billion, two hundred twenty-three million, four hundred thousand, two hundred thirty-two".