2011210020031 has 8 divisors (see below), whose sum is σ = 2117600174720. Its totient is φ = 1904873564952.

The previous prime is 2011210019983. The next prime is 2011210020041. The reversal of 2011210020031 is 1300200121102.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2011210020031 is a prime.

It is a super-2 number, since 2×2011210020031² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2011210019993 and 2011210020020.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2011210020041) 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, 13348005 + ... + 13497838.

It is an arithmetic number, because the mean of its divisors is an integer number (264700021840).

Almost surely, 2^{2011210020031} is an apocalyptic number.

2011210020031 is a deficient number, since it is larger than the sum of its proper divisors (106390154689).

2011210020031 is a wasteful number, since it uses less digits than its factorization.

2011210020031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26849805.

The product of its (nonzero) digits is 24, while the sum is 13.

Adding to 2011210020031 its reverse (1300200121102), we get a palindrome (3311410141133).

The spelling of 2011210020031 in words is "two trillion, eleven billion, two hundred ten million, twenty thousand, thirty-one".