2031112030021 has 8 divisors (see below), whose sum is σ = 2138109461600. Its totient is φ = 1924124278320.

The previous prime is 2031112030009. The next prime is 2031112030033. The reversal of 2031112030021 is 1200302111302.

It is an interprime number because it is at equal distance from previous prime (2031112030009) and next prime (2031112030033).

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 2031112030021 - 2²¹ = 2031109932869 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2031112029977 and 2031112030004.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2031112030001) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1987275 + ... + 2830456.

It is an arithmetic number, because the mean of its divisors is an integer number (267263682700).

Almost surely, 2^{2031112030021} is an apocalyptic number.

It is an amenable number.

2031112030021 is a deficient number, since it is larger than the sum of its proper divisors (106997431579).

2031112030021 is a wasteful number, since it uses less digits than its factorization.

2031112030021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4839939.

The product of its (nonzero) digits is 72, while the sum is 16.

Adding to 2031112030021 its reverse (1200302111302), we get a palindrome (3231414141323).

The spelling of 2031112030021 in words is "two trillion, thirty-one billion, one hundred twelve million, thirty thousand, twenty-one".