131662003 has 4 divisors (see below), whose sum is σ = 143631288. Its totient is φ = 119692720.

The previous prime is 131661983. The next prime is 131662007. The reversal of 131662003 is 300266131.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 300266131 = 11 ⋅27296921.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-131662003 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (131662007) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5984626 + ... + 5984647.

It is an arithmetic number, because the mean of its divisors is an integer number (35907822).

Almost surely, 2^131662003 is an apocalyptic number.

131662003 is a deficient number, since it is larger than the sum of its proper divisors (11969285).

131662003 is a wasteful number, since it uses less digits than its factorization.

131662003 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11969284.

The product of its (nonzero) digits is 648, while the sum is 22.

The square root of 131662003 is about 11474.4064334501. The cubic root of 131662003 is about 508.7293796012.

The spelling of 131662003 in words is "one hundred thirty-one million, six hundred sixty-two thousand, three".