2031031303212 has 24 divisors (see below), whose sum is σ = 4769258223856. Its totient is φ = 672698265408.

The previous prime is 2031031303181. The next prime is 2031031303229. The reversal of 2031031303212 is 2123031301302.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 539019163 + ... + 539022930.

Almost surely, 2^{2031031303212} is an apocalyptic number.

It is an amenable number.

2031031303212 is an abundant number, since it is smaller than the sum of its proper divisors (2738226920644).

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

2031031303212 is a wasteful number, since it uses less digits than its factorization.

2031031303212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1078042257 (or 1078042255 counting only the distinct ones).

The product of its (nonzero) digits is 648, while the sum is 21.

Adding to 2031031303212 its reverse (2123031301302), we get a palindrome (4154062604514).

The spelling of 2031031303212 in words is "two trillion, thirty-one billion, thirty-one million, three hundred three thousand, two hundred twelve".