131322104 has 8 divisors (see below), whose sum is σ = 246228960. Its totient is φ = 65661048.

The previous prime is 131322101. The next prime is 131322131. The reversal of 131322104 is 401223131.

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131322101) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8207624 + ... + 8207639.

It is an arithmetic number, because the mean of its divisors is an integer number (30778620).

Almost surely, 2^131322104 is an apocalyptic number.

It is an amenable number.

131322104 is a deficient number, since it is larger than the sum of its proper divisors (114906856).

131322104 is a wasteful number, since it uses less digits than its factorization.

131322104 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16415269 (or 16415265 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 17.

The square root of 131322104 is about 11459.5856818648. The cubic root of 131322104 is about 508.2912232668.

Adding to 131322104 its reverse (401223131), we get a palindrome (532545235).

The spelling of 131322104 in words is "one hundred thirty-one million, three hundred twenty-two thousand, one hundred four".