20231361242613 has 24 divisors (see below), whose sum is σ = 30433660803000. Its totient is φ = 12935086141824.

The previous prime is 20231361242591. The next prime is 20231361242641. The reversal of 20231361242613 is 31624216313202.

20231361242613 is a `hidden beast` number, since 2 + 0 + 2 + 3 + 1 + 3 + 612 + 4 + 26 + 13 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 3082668597009 + 17148692645604 = 1755753^2 + 4141098^2 .

It is not a de Polignac number, because 20231361242613 - 2⁹ = 20231361242101 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20231361242693) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 260077870 + ... + 260155647.

It is an arithmetic number, because the mean of its divisors is an integer number (1268069200125).

Almost surely, 2^{20231361242613} is an apocalyptic number.

It is an amenable number.

20231361242613 is a deficient number, since it is larger than the sum of its proper divisors (10202299560387).

20231361242613 is a wasteful number, since it uses less digits than its factorization.

20231361242613 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 520233701 (or 520233698 counting only the distinct ones).

The product of its (nonzero) digits is 62208, while the sum is 36.

Adding to 20231361242613 its reverse (31624216313202), we get a palindrome (51855577555815).

The spelling of 20231361242613 in words is "twenty trillion, two hundred thirty-one billion, three hundred sixty-one million, two hundred forty-two thousand, six hundred thirteen".