2031231012 has 24 divisors (see below), whose sum is σ = 4745508096. Its totient is φ = 676224288.

The previous prime is 2031230959. The next prime is 2031231019. The reversal of 2031231012 is 2101321302.

It is a super-3 number, since 3×2031231012³ (a number of 29 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a junction number, because it is equal to n+sod(n) for n = 2031230982 and 2031231000.

It is not an unprimeable number, because it can be changed into a prime (2031231019) 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, 96628 + ... + 115755.

It is an arithmetic number, because the mean of its divisors is an integer number (197729504).

Almost surely, 2^2031231012 is an apocalyptic number.

It is an amenable number.

2031231012 is an abundant number, since it is smaller than the sum of its proper divisors (2714277084).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2031231012 is a wasteful number, since it uses less digits than its factorization.

2031231012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 213187 (or 213185 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 15.

The square root of 2031231012 is about 45069.1802898611. The cubic root of 2031231012 is about 1266.4453085330.

Adding to 2031231012 its reverse (2101321302), we get a palindrome (4132552314).

The spelling of 2031231012 in words is "two billion, thirty-one million, two hundred thirty-one thousand, twelve".