131203130 has 16 divisors (see below), whose sum is σ = 236916360. Its totient is φ = 52314432.

The previous prime is 131203117. The next prime is 131203139. The reversal of 131203130 is 31302131.

131203130 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 85248289 + 45954841 = 9233^2 + 6779^2 .

It is a super-2 number, since 2×131203130² = 34428522643593800, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (131203139) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17525 + ... + 23864.

Almost surely, 2^131203130 is an apocalyptic number.

131203130 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

131203130 is a deficient number, since it is larger than the sum of its proper divisors (105713230).

131203130 is a wasteful number, since it uses less digits than its factorization.

131203130 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41713.

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

The square root of 131203130 is about 11454.3934802328. The cubic root of 131203130 is about 508.1376778753.

Adding to 131203130 its reverse (31302131), we get a palindrome (162505261).

Subtracting from 131203130 its reverse (31302131), we obtain a palindrome (99900999).

The spelling of 131203130 in words is "one hundred thirty-one million, two hundred three thousand, one hundred thirty".