131032260 has 72 divisors (see below), whose sum is σ = 420854616. Its totient is φ = 32885760.

The previous prime is 131032259. The next prime is 131032273. The reversal of 131032260 is 62230131.

It can be written as a sum of positive squares in 4 ways, for example, as 4334724 + 126697536 = 2082^2 + 11256^2 .

It is a Harshad number since it is a multiple of its sum of digits (18).

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 18351 + ... + 24470.

It is an arithmetic number, because the mean of its divisors is an integer number (5845203).

Almost surely, 2^131032260 is an apocalyptic number.

131032260 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

131032260 is an abundant number, since it is smaller than the sum of its proper divisors (289822356).

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

131032260 is a wasteful number, since it uses less digits than its factorization.

131032260 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42853 (or 42848 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 18.

The square root of 131032260 is about 11446.9323401512. The cubic root of 131032260 is about 507.9169941051.

Adding to 131032260 its reverse (62230131), we get a palindrome (193262391).

The spelling of 131032260 in words is "one hundred thirty-one million, thirty-two thousand, two hundred sixty".