131110002 has 40 divisors (see below), whose sum is σ = 294513516. Its totient is φ = 43594848.

The previous prime is 131109991. The next prime is 131110003. The reversal of 131110002 is 200011131.

It can be written as a sum of positive squares in 2 ways, for example, as 130439241 + 670761 = 11421^2 + 819^2 .

It is a Harshad number since it is a multiple of its sum of digits (9).

It is not an unprimeable number, because it can be changed into a prime (131110003) 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 19 ways as a sum of consecutive naturals, for example, 89508 + ... + 90960.

Almost surely, 2^131110002 is an apocalyptic number.

131110002 is an abundant number, since it is smaller than the sum of its proper divisors (163403514).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

131110002 is a wasteful number, since it uses less digits than its factorization.

131110002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2024 (or 2015 counting only the distinct ones).

The product of its (nonzero) digits is 6, while the sum is 9.

The square root of 131110002 is about 11450.3275935669. The cubic root of 131110002 is about 508.0174240205.

Adding to 131110002 its reverse (200011131), we get a palindrome (331121133).

The spelling of 131110002 in words is "one hundred thirty-one million, one hundred ten thousand, two".