20010100031312 has 20 divisors (see below), whose sum is σ = 38791095556596. Its totient is φ = 9999494726400.

The previous prime is 20010100031287. The next prime is 20010100031329. The reversal of 20010100031312 is 21313000101002.

It can be written as a sum of positive squares in 2 ways, for example, as 7561312046656 + 12448787984656 = 2749784^2 + 3528284^2 .

It is a super-2 number, since 2×20010100031312² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 347175863 + ... + 347233494.

Almost surely, 2^{20010100031312} is an apocalyptic number.

It is an amenable number.

20010100031312 is a deficient number, since it is larger than the sum of its proper divisors (18780995525284).

20010100031312 is a wasteful number, since it uses less digits than its factorization.

20010100031312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 694411166 (or 694411160 counting only the distinct ones).

The product of its (nonzero) digits is 36, while the sum is 14.

Adding to 20010100031312 its reverse (21313000101002), we get a palindrome (41323100132314).

The spelling of 20010100031312 in words is "twenty trillion, ten billion, one hundred million, thirty-one thousand, three hundred twelve".