20311042413 has 8 divisors (see below), whose sum is σ = 27166821408. Its totient is φ = 13497979184.

The previous prime is 20311042403. The next prime is 20311042421. The reversal of 20311042413 is 31424011302.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 20311042413 - 2⁴ = 20311042397 is a prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 20311042413.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20311042403) 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 7 ways as a sum of consecutive naturals, for example, 10677831 + ... + 10679732.

It is an arithmetic number, because the mean of its divisors is an integer number (3395852676).

Almost surely, 2^20311042413 is an apocalyptic number.

It is an amenable number.

20311042413 is a deficient number, since it is larger than the sum of its proper divisors (6855778995).

20311042413 is a wasteful number, since it uses less digits than its factorization.

20311042413 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21357883.

The product of its (nonzero) digits is 576, while the sum is 21.

Adding to 20311042413 its reverse (31424011302), we get a palindrome (51735053715).

The spelling of 20311042413 in words is "twenty billion, three hundred eleven million, forty-two thousand, four hundred thirteen".