131683501 has 4 divisors (see below), whose sum is σ = 134745952. Its totient is φ = 128621052.

The previous prime is 131683499. The next prime is 131683523. The reversal of 131683501 is 105386131.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 105386131 = 1367 ⋅77093.

It is a cyclic number.

It is not a de Polignac number, because 131683501 - 2¹ = 131683499 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 131683501.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131683571) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1531161 + ... + 1531246.

It is an arithmetic number, because the mean of its divisors is an integer number (33686488).

Almost surely, 2^131683501 is an apocalyptic number.

It is an amenable number.

131683501 is a deficient number, since it is larger than the sum of its proper divisors (3062451).

131683501 is an equidigital number, since it uses as much as digits as its factorization.

131683501 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3062450.

The product of its (nonzero) digits is 2160, while the sum is 28.

The square root of 131683501 is about 11475.3431756963. The cubic root of 131683501 is about 508.7570668325.

The spelling of 131683501 in words is "one hundred thirty-one million, six hundred eighty-three thousand, five hundred one".