131881050 has 108 divisors (see below), whose sum is σ = 412237566. Its totient is φ = 30139200.

The previous prime is 131881049. The next prime is 131881063. The reversal of 131881050 is 50188131.

It can be written as a sum of positive squares in 3 ways, for example, as 58110129 + 73770921 = 7623^2 + 8589^2 .

It is a super-2 number, since 2×131881050² = 34785222698205000, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 53 ways as a sum of consecutive naturals, for example, 19060 + ... + 25040.

Almost surely, 2^131881050 is an apocalyptic number.

131881050 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 131881050, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (206118783).

131881050 is an abundant number, since it is smaller than the sum of its proper divisors (280356516).

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

131881050 is a wasteful number, since it uses less digits than its factorization.

131881050 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6013 (or 5998 counting only the distinct ones).

The product of its (nonzero) digits is 960, while the sum is 27.

The square root of 131881050 is about 11483.9474920430. The cubic root of 131881050 is about 509.0113488360.

The spelling of 131881050 in words is "one hundred thirty-one million, eight hundred eighty-one thousand, fifty".