20312641213051 has 8 divisors (see below), whose sum is σ = 22160111572800. Its totient is φ = 18465315288840.

The previous prime is 20312641213037. The next prime is 20312641213069. The reversal of 20312641213051 is 15031214621302.

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 20312641213051 - 2¹³ = 20312641204859 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20312641213001) 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, 35814721 + ... + 36377458.

It is an arithmetic number, because the mean of its divisors is an integer number (2770013946600).

Almost surely, 2^{20312641213051} is an apocalyptic number.

20312641213051 is a deficient number, since it is larger than the sum of its proper divisors (1847470359749).

20312641213051 is a wasteful number, since it uses less digits than its factorization.

20312641213051 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 72217769.

The product of its (nonzero) digits is 8640, while the sum is 31.

Adding to 20312641213051 its reverse (15031214621302), we get a palindrome (35343855834353).

The spelling of 20312641213051 in words is "twenty trillion, three hundred twelve billion, six hundred forty-one million, two hundred thirteen thousand, fifty-one".