20311424413 has 8 divisors (see below), whose sum is σ = 23333332928. Its totient is φ = 17319585024.

The previous prime is 20311424377. The next prime is 20311424437. The reversal of 20311424413 is 31442411302.

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

It is not a de Polignac number, because 20311424413 - 2²¹ = 20309327261 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 (20311424113) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7515831 + ... + 7518532.

It is an arithmetic number, because the mean of its divisors is an integer number (2916666616).

Almost surely, 2^20311424413 is an apocalyptic number.

It is an amenable number.

20311424413 is a deficient number, since it is larger than the sum of its proper divisors (3021908515).

20311424413 is a wasteful number, since it uses less digits than its factorization.

20311424413 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15034563.

The product of its (nonzero) digits is 2304, while the sum is 25.

Adding to 20311424413 its reverse (31442411302), we get a palindrome (51753835715).

The spelling of 20311424413 in words is "twenty billion, three hundred eleven million, four hundred twenty-four thousand, four hundred thirteen".