131344433051123 has 4 divisors (see below), whose sum is σ = 131350191016728. Its totient is φ = 131338675085520.

The previous prime is 131344433051119. The next prime is 131344433051173. The reversal of 131344433051123 is 321150334443131.

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 131344433051123 - 2² = 131344433051119 is a prime.

It is a super-2 number, since 2×131344433051123² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (131344433051173) 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, 2878948586 + ... + 2878994207.

It is an arithmetic number, because the mean of its divisors is an integer number (32837547754182).

Almost surely, 2^{131344433051123} is an apocalyptic number.

131344433051123 is a deficient number, since it is larger than the sum of its proper divisors (5757965605).

131344433051123 is an equidigital number, since it uses as much as digits as its factorization.

131344433051123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5757965604.

The product of its (nonzero) digits is 155520, while the sum is 38.

Adding to 131344433051123 its reverse (321150334443131), we get a palindrome (452494767494254).

The spelling of 131344433051123 in words is "one hundred thirty-one trillion, three hundred forty-four billion, four hundred thirty-three million, fifty-one thousand, one hundred twenty-three".