131006002 has 8 divisors (see below), whose sum is σ = 196652700. Its totient is φ = 65455104.

The previous prime is 131005997. The next prime is 131006017. The reversal of 131006002 is 200600131.

It can be written as a sum of positive squares in 2 ways, for example, as 112593321 + 18412681 = 10611^2 + 4291^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 20427 + ... + 26062.

Almost surely, 2^131006002 is an apocalyptic number.

131006002 is a deficient number, since it is larger than the sum of its proper divisors (65646698).

131006002 is a wasteful number, since it uses less digits than its factorization.

131006002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47900.

The product of its (nonzero) digits is 36, while the sum is 13.

The square root of 131006002 is about 11445.7853378438. The cubic root of 131006002 is about 507.8830641009.

Adding to 131006002 its reverse (200600131), we get a palindrome (331606133).

The spelling of 131006002 in words is "one hundred thirty-one million, six thousand, two".