20313132012335 has 4 divisors (see below), whose sum is σ = 24375758414808. Its totient is φ = 16250505609864.

The previous prime is 20313132012331. The next prime is 20313132012361. The reversal of 20313132012335 is 53321023131302.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 20313132012335 - 2² = 20313132012331 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 20313132012298 and 20313132012307.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20313132012331) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2031313201229 + ... + 2031313201238.

It is an arithmetic number, because the mean of its divisors is an integer number (6093939603702).

Almost surely, 2^{20313132012335} is an apocalyptic number.

20313132012335 is a deficient number, since it is larger than the sum of its proper divisors (4062626402473).

20313132012335 is an equidigital number, since it uses as much as digits as its factorization.

20313132012335 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4062626402472.

The product of its (nonzero) digits is 9720, while the sum is 29.

Adding to 20313132012335 its reverse (53321023131302), we get a palindrome (73634155143637).

The spelling of 20313132012335 in words is "twenty trillion, three hundred thirteen billion, one hundred thirty-two million, twelve thousand, three hundred thirty-five".