131403434212399 has 4 divisors (see below), whose sum is σ = 134459328031336. Its totient is φ = 128347540393464.

The previous prime is 131403434212361. The next prime is 131403434212403. The reversal of 131403434212399 is 993212434304131.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 131403434212399 - 2⁹ = 131403434211887 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 (131403434222399) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1527946909404 + ... + 1527946909489.

It is an arithmetic number, because the mean of its divisors is an integer number (33614832007834).

Almost surely, 2^{131403434212399} is an apocalyptic number.

131403434212399 is a deficient number, since it is larger than the sum of its proper divisors (3055893818937).

131403434212399 is an equidigital number, since it uses as much as digits as its factorization.

131403434212399 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3055893818936.

The product of its (nonzero) digits is 1679616, while the sum is 49.

The spelling of 131403434212399 in words is "one hundred thirty-one trillion, four hundred three billion, four hundred thirty-four million, two hundred twelve thousand, three hundred ninety-nine".