20311050031316 has 12 divisors (see below), whose sum is σ = 38775640968960. Its totient is φ = 9232295468760.

The previous prime is 20311050031297. The next prime is 20311050031319. The reversal of 20311050031316 is 61313005011302.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20311050031319) 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, 230807386676 + ... + 230807386763.

It is an arithmetic number, because the mean of its divisors is an integer number (3231303414080).

Almost surely, 2^{20311050031316} is an apocalyptic number.

It is an amenable number.

20311050031316 is a deficient number, since it is larger than the sum of its proper divisors (18464590937644).

20311050031316 is a wasteful number, since it uses less digits than its factorization.

20311050031316 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 461614773454 (or 461614773452 counting only the distinct ones).

The product of its (nonzero) digits is 1620, while the sum is 26.

Adding to 20311050031316 its reverse (61313005011302), we get a palindrome (81624055042618).

The spelling of 20311050031316 in words is "twenty trillion, three hundred eleven billion, fifty million, thirty-one thousand, three hundred sixteen".