20033031001313 has 32 divisors (see below), whose sum is σ = 22485638292480. Its totient is φ = 17690574565440.

The previous prime is 20033031001303. The next prime is 20033031001349. The reversal of 20033031001313 is 31310013033002.

It is a cyclic number.

It is not a de Polignac number, because 20033031001313 - 2³⁸ = 19758153094369 is a prime.

It is not an unprimeable number, because it can be changed into a prime (20033031001303) 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, 67987220 + ... + 68281242.

It is an arithmetic number, because the mean of its divisors is an integer number (702676196640).

Almost surely, 2^{20033031001313} is an apocalyptic number.

It is an amenable number.

20033031001313 is a deficient number, since it is larger than the sum of its proper divisors (2452607291167).

20033031001313 is a wasteful number, since it uses less digits than its factorization.

20033031001313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 294869.

The product of its (nonzero) digits is 486, while the sum is 20.

Adding to 20033031001313 its reverse (31310013033002), we get a palindrome (51343044034315).

The spelling of 20033031001313 in words is "twenty trillion, thirty-three billion, thirty-one million, one thousand, three hundred thirteen".