131010340 has 48 divisors (see below), whose sum is σ = 291723264. Its totient is φ = 49334400.

The previous prime is 131010337. The next prime is 131010353. The reversal of 131010340 is 43010131.

It is a self number, because there is not a number n which added to its sum of digits gives 131010340.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 20085 + ... + 25795.

It is an arithmetic number, because the mean of its divisors is an integer number (6077568).

Almost surely, 2^131010340 is an apocalyptic number.

131010340 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 131010340, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (145861632).

131010340 is an abundant number, since it is smaller than the sum of its proper divisors (160712924).

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

131010340 is a wasteful number, since it uses less digits than its factorization.

131010340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5788 (or 5786 counting only the distinct ones).

The product of its (nonzero) digits is 36, while the sum is 13.

The square root of 131010340 is about 11445.9748383438. The cubic root of 131010340 is about 507.8886698808. Note that the first 3 decimals are identical.

Adding to 131010340 its reverse (43010131), we get a palindrome (174020471).

The spelling of 131010340 in words is "one hundred thirty-one million, ten thousand, three hundred forty".