20313131012201 has 16 divisors (see below), whose sum is σ = 21095575838400. Its totient is φ = 19548394286400.

The previous prime is 20313131012183. The next prime is 20313131012233. The reversal of 20313131012201 is 10221013131302.

It is a happy number.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-20313131012201 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20313131012281) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 12615266 + ... + 14134043.

It is an arithmetic number, because the mean of its divisors is an integer number (1318473489900).

Almost surely, 2^{20313131012201} is an apocalyptic number.

It is an amenable number.

20313131012201 is a deficient number, since it is larger than the sum of its proper divisors (782444826199).

20313131012201 is a wasteful number, since it uses less digits than its factorization.

20313131012201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26749640.

The product of its (nonzero) digits is 216, while the sum is 20.

Adding to 20313131012201 its reverse (10221013131302), we get a palindrome (30534144143503).

The spelling of 20313131012201 in words is "twenty trillion, three hundred thirteen billion, one hundred thirty-one million, twelve thousand, two hundred one".