2113344423431 has 4 divisors (see below), whose sum is σ = 2113395720864. Its totient is φ = 2113293126000.

The previous prime is 2113344423419. The next prime is 2113344423503. The reversal of 2113344423431 is 1343244433112.

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 2113344423431 - 2³⁴ = 2096164554247 is a prime.

It is a super-3 number, since 3×2113344423431³ (a number of 38 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2113344423391 and 2113344423400.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2113344425431) 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, 25586870 + ... + 25669331.

It is an arithmetic number, because the mean of its divisors is an integer number (528348930216).

Almost surely, 2^{2113344423431} is an apocalyptic number.

2113344423431 is a deficient number, since it is larger than the sum of its proper divisors (51297433).

2113344423431 is an equidigital number, since it uses as much as digits as its factorization.

2113344423431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51297432.

The product of its digits is 82944, while the sum is 35.

Adding to 2113344423431 its reverse (1343244433112), we get a palindrome (3456588856543).

The spelling of 2113344423431 in words is "two trillion, one hundred thirteen billion, three hundred forty-four million, four hundred twenty-three thousand, four hundred thirty-one".