20231343413 has 4 divisors (see below), whose sum is σ = 20235069900. Its totient is φ = 20227616928.

The previous prime is 20231343409. The next prime is 20231343427. The reversal of 20231343413 is 31434313202.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 31434313202 = 2 ⋅15717156601.

It can be written as a sum of positive squares in 2 ways, for example, as 15901966609 + 4329376804 = 126103^2 + 65798^2 .

It is a cyclic number.

It is not a de Polignac number, because 20231343413 - 2² = 20231343409 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 (20231343463) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1855088 + ... + 1865961.

It is an arithmetic number, because the mean of its divisors is an integer number (5058767475).

Almost surely, 2^20231343413 is an apocalyptic number.

It is an amenable number.

20231343413 is a deficient number, since it is larger than the sum of its proper divisors (3726487).

20231343413 is an equidigital number, since it uses as much as digits as its factorization.

20231343413 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3726486.

The product of its (nonzero) digits is 5184, while the sum is 26.

Adding to 20231343413 its reverse (31434313202), we get a palindrome (51665656615).

The spelling of 20231343413 in words is "twenty billion, two hundred thirty-one million, three hundred forty-three thousand, four hundred thirteen".