131210143 has 6 divisors (see below), whose sum is σ = 138479784. Its totient is φ = 124304004.

The previous prime is 131210137. The next prime is 131210153. The reversal of 131210143 is 341012131.

It is not a de Polignac number, because 131210143 - 2⁵ = 131210111 is a prime.

It is a super-2 number, since 2×131210143² = 34432203252160898, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131210113) 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 5 ways as a sum of consecutive naturals, for example, 181371 + ... + 182092.

It is an arithmetic number, because the mean of its divisors is an integer number (23079964).

Almost surely, 2^131210143 is an apocalyptic number.

131210143 is a deficient number, since it is larger than the sum of its proper divisors (7269641).

131210143 is an equidigital number, since it uses as much as digits as its factorization.

131210143 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 363501 (or 363482 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 16.

The square root of 131210143 is about 11454.6996032196. The cubic root of 131210143 is about 508.1467312824.

Adding to 131210143 its reverse (341012131), we get a palindrome (472222274).

The spelling of 131210143 in words is "one hundred thirty-one million, two hundred ten thousand, one hundred forty-three".