2012230111031 has 24 divisors (see below), whose sum is σ = 2530553128320. Its totient is φ = 1562948210736.

The previous prime is 2012230111027. The next prime is 2012230111039. The reversal of 2012230111031 is 1301110322102.

It is not a de Polignac number, because 2012230111031 - 2² = 2012230111027 is a prime.

It is a super-2 number, since 2×2012230111031² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2012230111039) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 14229785 + ... + 14370498.

It is an arithmetic number, because the mean of its divisors is an integer number (105439713680).

Almost surely, 2^{2012230111031} is an apocalyptic number.

2012230111031 is a deficient number, since it is larger than the sum of its proper divisors (518323017289).

2012230111031 is a wasteful number, since it uses less digits than its factorization.

2012230111031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28600355 (or 28600332 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 17.

Adding to 2012230111031 its reverse (1301110322102), we get a palindrome (3313340433133).

The spelling of 2012230111031 in words is "two trillion, twelve billion, two hundred thirty million, one hundred eleven thousand, thirty-one".