131141550 has 24 divisors (see below), whose sum is σ = 325231416. Its totient is φ = 34971040.

The previous prime is 131141513. The next prime is 131141551. The reversal of 131141550 is 55141131.

It is a happy number.

It is a super-2 number, since 2×131141550² = 34396212272805000, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131141551) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 436989 + ... + 437288.

It is an arithmetic number, because the mean of its divisors is an integer number (13551309).

Almost surely, 2^131141550 is an apocalyptic number.

131141550 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

131141550 is an abundant number, since it is smaller than the sum of its proper divisors (194089866).

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

131141550 is a wasteful number, since it uses less digits than its factorization.

131141550 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 874292 (or 874287 counting only the distinct ones).

The product of its (nonzero) digits is 300, while the sum is 21.

The square root of 131141550 is about 11451.7051132135. The cubic root of 131141550 is about 508.0581675391.

Adding to 131141550 its reverse (55141131), we get a palindrome (186282681).

The spelling of 131141550 in words is "one hundred thirty-one million, one hundred forty-one thousand, five hundred fifty".