134344112431 has 4 divisors (see below), whose sum is σ = 134517908952. Its totient is φ = 134170315912.

The previous prime is 134344112417. The next prime is 134344112473. The reversal of 134344112431 is 134211443431.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-134344112431 is a prime.

It is a super-2 number, since 2×134344112431² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 134344112393 and 134344112402.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (134344112131) 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, 86897101 + ... + 86898646.

It is an arithmetic number, because the mean of its divisors is an integer number (33629477238).

Almost surely, 2^134344112431 is an apocalyptic number.

134344112431 is a deficient number, since it is larger than the sum of its proper divisors (173796521).

134344112431 is an equidigital number, since it uses as much as digits as its factorization.

134344112431 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 173796520.

The product of its digits is 13824, while the sum is 31.

Adding to 134344112431 its reverse (134211443431), we get a palindrome (268555555862).

The spelling of 134344112431 in words is "one hundred thirty-four billion, three hundred forty-four million, one hundred twelve thousand, four hundred thirty-one".