131071830 has 16 divisors (see below), whose sum is σ = 314572464. Its totient is φ = 34952480.

The previous prime is 131071807. The next prime is 131071849. The reversal of 131071830 is 38170131.

It is a self number, because there is not a number n which added to its sum of digits gives 131071830.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2184501 + ... + 2184560.

It is an arithmetic number, because the mean of its divisors is an integer number (19660779).

Almost surely, 2^131071830 is an apocalyptic number.

131071830 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

131071830 is an abundant number, since it is smaller than the sum of its proper divisors (183500634).

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

131071830 is a wasteful number, since it uses less digits than its factorization.

131071830 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4369071.

The product of its (nonzero) digits is 504, while the sum is 24.

The square root of 131071830 is about 11448.6606203521. The cubic root of 131071830 is about 507.9681170186.

The spelling of 131071830 in words is "one hundred thirty-one million, seventy-one thousand, eight hundred thirty".