20112003331313 has 32 divisors (see below), whose sum is σ = 21615680507904. Its totient is φ = 18645980700672.

The previous prime is 20112003331309. The next prime is 20112003331331. The reversal of 20112003331313 is 31313330021102.

It is a cyclic number.

It is not a de Polignac number, because 20112003331313 - 2² = 20112003331309 is a prime.

It is not an unprimeable number, because it can be changed into a prime (20112003321313) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 318685520 + ... + 318748622.

It is an arithmetic number, because the mean of its divisors is an integer number (675490015872).

Almost surely, 2^{20112003331313} is an apocalyptic number.

It is an amenable number.

20112003331313 is a deficient number, since it is larger than the sum of its proper divisors (1503677176591).

20112003331313 is a wasteful number, since it uses less digits than its factorization.

20112003331313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 64121.

The product of its (nonzero) digits is 972, while the sum is 23.

Adding to 20112003331313 its reverse (31313330021102), we get a palindrome (51425333352415).

The spelling of 20112003331313 in words is "twenty trillion, one hundred twelve billion, three million, three hundred thirty-one thousand, three hundred thirteen".