131323133220232 has 64 divisors (see below), whose sum is σ = 250647327365760. Its totient is φ = 64487148633600.

The previous prime is 131323133220173. The next prime is 131323133220269. The reversal of 131323133220232 is 232022331323131.

It is a junction number, because it is equal to n+sod(n) for n = 131323133220194 and 131323133220203.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1969331163 + ... + 1969397845.

It is an arithmetic number, because the mean of its divisors is an integer number (3916364490090).

Almost surely, 2^{131323133220232} is an apocalyptic number.

It is an amenable number.

131323133220232 is a deficient number, since it is larger than the sum of its proper divisors (119324194145528).

131323133220232 is a wasteful number, since it uses less digits than its factorization.

131323133220232 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 72814 (or 72810 counting only the distinct ones).

The product of its (nonzero) digits is 23328, while the sum is 31.

Adding to 131323133220232 its reverse (232022331323131), we get a palindrome (363345464543363).

The spelling of 131323133220232 in words is "one hundred thirty-one trillion, three hundred twenty-three billion, one hundred thirty-three million, two hundred twenty thousand, two hundred thirty-two".