2012013111031 has 32 divisors (see below), whose sum is σ = 2523279002112. Its totient is φ = 1558568511360.

The previous prime is 2012013110957. The next prime is 2012013111049. The reversal of 2012013111031 is 1301113102102.

It is a happy number.

It is not a de Polignac number, because 2012013111031 - 2¹⁹ = 2012012586743 is a prime.

It is a super-2 number, since 2×2012013111031² (a number of 25 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 2012013110996 and 2012013111014.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2012013111131) 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, 18710440 + ... + 18817666.

It is an arithmetic number, because the mean of its divisors is an integer number (78852468816).

Almost surely, 2^{2012013111031} is an apocalyptic number.

2012013111031 is a deficient number, since it is larger than the sum of its proper divisors (511265891081).

2012013111031 is a wasteful number, since it uses less digits than its factorization.

2012013111031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 108679.

The product of its (nonzero) digits is 36, while the sum is 16.

Adding to 2012013111031 its reverse (1301113102102), we get a palindrome (3313126213133).

The spelling of 2012013111031 in words is "two trillion, twelve billion, thirteen million, one hundred eleven thousand, thirty-one".