131131210 has 32 divisors (see below), whose sum is σ = 271716480. Its totient is φ = 44632512.

The previous prime is 131131199. The next prime is 131131279. The reversal of 131131210 is 12131131.

It is a super-3 number, since 3×131131210³ (a number of 25 digits) contains 333 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2992 + ... + 16468.

It is an arithmetic number, because the mean of its divisors is an integer number (8491140).

Almost surely, 2^131131210 is an apocalyptic number.

131131210 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

131131210 is an abundant number, since it is smaller than the sum of its proper divisors (140585270).

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

131131210 is a wasteful number, since it uses less digits than its factorization.

131131210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13630.

The product of its (nonzero) digits is 18, while the sum is 13.

The square root of 131131210 is about 11451.2536431606. The cubic root of 131131210 is about 508.0448143861.

Adding to 131131210 its reverse (12131131), we get a palindrome (143262341).

The spelling of 131131210 in words is "one hundred thirty-one million, one hundred thirty-one thousand, two hundred ten".