131655030 has 64 divisors (see below), whose sum is σ = 344191680. Its totient is φ = 32034816.

The previous prime is 131654981. The next prime is 131655061. The reversal of 131655030 is 30556131.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 32814 + ... + 36606.

It is an arithmetic number, because the mean of its divisors is an integer number (5377995).

Almost surely, 2^131655030 is an apocalyptic number.

131655030 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 131655030, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (172095840).

131655030 is an abundant number, since it is smaller than the sum of its proper divisors (212536650).

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

131655030 is a wasteful number, since it uses less digits than its factorization.

131655030 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3905.

The product of its (nonzero) digits is 1350, while the sum is 24.

The square root of 131655030 is about 11474.1025792870. The cubic root of 131655030 is about 508.7203984411.

The spelling of 131655030 in words is "one hundred thirty-one million, six hundred fifty-five thousand, thirty".