131422343 has 16 divisors (see below), whose sum is σ = 145941600. Its totient is φ = 118272960.

The previous prime is 131422301. The next prime is 131422363. The reversal of 131422343 is 343224131.

It is not a de Polignac number, because 131422343 - 2⁶ = 131422279 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131422363) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 89348 + ... + 90806.

It is an arithmetic number, because the mean of its divisors is an integer number (9121350).

Almost surely, 2^131422343 is an apocalyptic number.

131422343 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

131422343 is a deficient number, since it is larger than the sum of its proper divisors (14519257).

131422343 is an equidigital number, since it uses as much as digits as its factorization.

131422343 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1539 (or 1513 counting only the distinct ones).

The product of its digits is 1728, while the sum is 23.

The square root of 131422343 is about 11463.9584350258. The cubic root of 131422343 is about 508.4205176867.

Adding to 131422343 its reverse (343224131), we get a palindrome (474646474).

The spelling of 131422343 in words is "one hundred thirty-one million, four hundred twenty-two thousand, three hundred forty-three".