131403234431343 has 8 divisors (see below), whose sum is σ = 200233500085888. Its totient is φ = 75087562532184.

The previous prime is 131403234431299. The next prime is 131403234431387. The reversal of 131403234431343 is 343134432304131.

It is an interprime number because it is at equal distance from previous prime (131403234431299) and next prime (131403234431387).

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 131403234431343 - 2¹⁶ = 131403234365807 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 (131403234431543) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3128648438821 + ... + 3128648438862.

It is an arithmetic number, because the mean of its divisors is an integer number (25029187510736).

Almost surely, 2^{131403234431343} is an apocalyptic number.

131403234431343 is a deficient number, since it is larger than the sum of its proper divisors (68830265654545).

131403234431343 is an equidigital number, since it uses as much as digits as its factorization.

131403234431343 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6257296877693.

The product of its (nonzero) digits is 373248, while the sum is 39.

Adding to 131403234431343 its reverse (343134432304131), we get a palindrome (474537666735474).

The spelling of 131403234431343 in words is "one hundred thirty-one trillion, four hundred three billion, two hundred thirty-four million, four hundred thirty-one thousand, three hundred forty-three".