131403234133401 has 4 divisors (see below), whose sum is σ = 175204312177872. Its totient is φ = 87602156088932.

The previous prime is 131403234133387. The next prime is 131403234133421. The reversal of 131403234133401 is 104331432304131.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 131403234133401 - 2⁶ = 131403234133337 is a prime.

It is not an unprimeable number, because it can be changed into a prime (131403234133421) 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, 21900539022231 + ... + 21900539022236.

It is an arithmetic number, because the mean of its divisors is an integer number (43801078044468).

Almost surely, 2^{131403234133401} is an apocalyptic number.

It is an amenable number.

131403234133401 is a deficient number, since it is larger than the sum of its proper divisors (43801078044471).

131403234133401 is an equidigital number, since it uses as much as digits as its factorization.

131403234133401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43801078044470.

The product of its (nonzero) digits is 31104, while the sum is 33.

Adding to 131403234133401 its reverse (104331432304131), we get a palindrome (235734666437532).

The spelling of 131403234133401 in words is "one hundred thirty-one trillion, four hundred three billion, two hundred thirty-four million, one hundred thirty-three thousand, four hundred one".