131353550 has 48 divisors (see below), whose sum is σ = 250376832. Its totient is φ = 51256800.

The previous prime is 131353549. The next prime is 131353553. The reversal of 131353550 is 55353131.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131353553) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 578537 + ... + 578763.

It is an arithmetic number, because the mean of its divisors is an integer number (5216184).

Almost surely, 2^131353550 is an apocalyptic number.

131353550 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

131353550 is a deficient number, since it is larger than the sum of its proper divisors (119023282).

131353550 is a wasteful number, since it uses less digits than its factorization.

131353550 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 473 (or 468 counting only the distinct ones).

The product of its (nonzero) digits is 3375, while the sum is 26.

The square root of 131353550 is about 11460.9576388712. The cubic root of 131353550 is about 508.3317913298.

The spelling of 131353550 in words is "one hundred thirty-one million, three hundred fifty-three thousand, five hundred fifty".