131234550 has 48 divisors (see below), whose sum is σ = 339621120. Its totient is φ = 33473440.

The previous prime is 131234533. The next prime is 131234569. The reversal of 131234550 is 55432131.

131234550 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×131234550² = 34445014227405000, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 131234550.

It is a congruent number.

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, 15570 + ... + 22469.

It is an arithmetic number, because the mean of its divisors is an integer number (7075440).

Almost surely, 2^131234550 is an apocalyptic number.

131234550 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

131234550 is an abundant number, since it is smaller than the sum of its proper divisors (208386570).

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

131234550 is a wasteful number, since it uses less digits than its factorization.

131234550 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38077 (or 38072 counting only the distinct ones).

The product of its (nonzero) digits is 1800, while the sum is 24.

The square root of 131234550 is about 11455.7649242641. The cubic root of 131234550 is about 508.1782368964.

Adding to 131234550 its reverse (55432131), we get a palindrome (186666681).

The spelling of 131234550 in words is "one hundred thirty-one million, two hundred thirty-four thousand, five hundred fifty".