131346810 has 96 divisors (see below), whose sum is σ = 410866560. Its totient is φ = 28439424.

The previous prime is 131346779. The next prime is 131346833. The reversal of 131346810 is 18643131.

It is a super-2 number, since 2×131346810² = 34503968994352200, which contains 22 as substring.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 6484 + ... + 17456.

It is an arithmetic number, because the mean of its divisors is an integer number (4279860).

Almost surely, 2^131346810 is an apocalyptic number.

131346810 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 131346810, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (205433280).

131346810 is an abundant number, since it is smaller than the sum of its proper divisors (279519750).

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

131346810 is a wasteful number, since it uses less digits than its factorization.

131346810 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11012 (or 11009 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 27.

The square root of 131346810 is about 11460.6635933527. The cubic root of 131346810 is about 508.3230966913.

Adding to 131346810 its reverse (18643131), we get a palindrome (149989941).

The spelling of 131346810 in words is "one hundred thirty-one million, three hundred forty-six thousand, eight hundred ten".