131302323 has 32 divisors (see below), whose sum is σ = 199022400. Its totient is φ = 85536000.

The previous prime is 131302321. The next prime is 131302333. The reversal of 131302323 is 323203131.

It is not a de Polignac number, because 131302323 - 2¹ = 131302321 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 131302296 and 131302305.

It is not an unprimeable number, because it can be changed into a prime (131302321) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 242433 + ... + 242973.

It is an arithmetic number, because the mean of its divisors is an integer number (6219450).

Almost surely, 2^131302323 is an apocalyptic number.

131302323 is a deficient number, since it is larger than the sum of its proper divisors (67720077).

131302323 is a wasteful number, since it uses less digits than its factorization.

131302323 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 740 (or 734 counting only the distinct ones).

The product of its (nonzero) digits is 324, while the sum is 18.

The square root of 131302323 is about 11458.7225727827. The cubic root of 131302323 is about 508.2657007455.

Adding to 131302323 its reverse (323203131), we get a palindrome (454505454).

The spelling of 131302323 in words is "one hundred thirty-one million, three hundred two thousand, three hundred twenty-three".