131010420 has 24 divisors (see below), whose sum is σ = 366829344. Its totient is φ = 34936096.

The previous prime is 131010413. The next prime is 131010421. The reversal of 131010420 is 24010131.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a junction number, because it is equal to n+sod(n) for n = 131010396 and 131010405.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131010421) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 1091694 + ... + 1091813.

It is an arithmetic number, because the mean of its divisors is an integer number (15284556).

Almost surely, 2^131010420 is an apocalyptic number.

131010420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

131010420 is an abundant number, since it is smaller than the sum of its proper divisors (235818924).

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

131010420 is a wasteful number, since it uses less digits than its factorization.

131010420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2183519 (or 2183517 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 12.

The square root of 131010420 is about 11445.9783330216. The cubic root of 131010420 is about 507.8887732596. Note that the first 3 decimals are identical.

Adding to 131010420 its reverse (24010131), we get a palindrome (155020551).

The spelling of 131010420 in words is "one hundred thirty-one million, ten thousand, four hundred twenty".