131822830 has 16 divisors (see below), whose sum is σ = 241172064. Its totient is φ = 51864480.

The previous prime is 131822813. The next prime is 131822851. The reversal of 131822830 is 38228131.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 107442 + ... + 108661.

It is an arithmetic number, because the mean of its divisors is an integer number (15073254).

Almost surely, 2^131822830 is an apocalyptic number.

131822830 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

131822830 is a deficient number, since it is larger than the sum of its proper divisors (109349234).

131822830 is a wasteful number, since it uses less digits than its factorization.

131822830 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 216171.

The product of its (nonzero) digits is 2304, while the sum is 28.

The square root of 131822830 is about 11481.4123695650. The cubic root of 131822830 is about 508.9364353625.

The spelling of 131822830 in words is "one hundred thirty-one million, eight hundred twenty-two thousand, eight hundred thirty".