131310302 has 16 divisors (see below), whose sum is σ = 199705392. Its totient is φ = 64747200.

The previous prime is 131310269. The next prime is 131310307. The reversal of 131310302 is 203013131.

It is a super-2 number, since 2×131310302² = 34484790822662408, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131310307) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 56018 + ... + 58314.

It is an arithmetic number, because the mean of its divisors is an integer number (12481587).

Almost surely, 2^131310302 is an apocalyptic number.

131310302 is a deficient number, since it is larger than the sum of its proper divisors (68395090).

131310302 is a wasteful number, since it uses less digits than its factorization.

131310302 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2683.

The product of its (nonzero) digits is 54, while the sum is 14.

The square root of 131310302 is about 11459.0707302119. The cubic root of 131310302 is about 508.2759959934.

Adding to 131310302 its reverse (203013131), we get a palindrome (334323433).

The spelling of 131310302 in words is "one hundred thirty-one million, three hundred ten thousand, three hundred two".