131032210 has 16 divisors (see below), whose sum is σ = 236874456. Its totient is φ = 52187008.

The previous prime is 131032199. The next prime is 131032211. The reversal of 131032210 is 12230131.

It can be written as a sum of positive squares in 4 ways, for example, as 89132481 + 41899729 = 9441^2 + 6473^2 .

It is not an unprimeable number, because it can be changed into a prime (131032211) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 25789 + ... + 30448.

Almost surely, 2^131032210 is an apocalyptic number.

131032210 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

131032210 is a deficient number, since it is larger than the sum of its proper divisors (105842246).

131032210 is a wasteful number, since it uses less digits than its factorization.

131032210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 56477.

The product of its (nonzero) digits is 36, while the sum is 13.

The square root of 131032210 is about 11446.9301561598. The cubic root of 131032210 is about 507.9169295006.

Adding to 131032210 its reverse (12230131), we get a palindrome (143262341).

The spelling of 131032210 in words is "one hundred thirty-one million, thirty-two thousand, two hundred ten".