2031155012 has 12 divisors (see below), whose sum is σ = 3677091180. Its totient is φ = 980557536.

The previous prime is 2031154949. The next prime is 2031155023. The reversal of 2031155012 is 2105511302.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 339149056 + 1692005956 = 18416^2 + 41134^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8754863 + ... + 8755094.

It is an arithmetic number, because the mean of its divisors is an integer number (306424265).

Almost surely, 2^2031155012 is an apocalyptic number.

It is an amenable number.

2031155012 is a deficient number, since it is larger than the sum of its proper divisors (1645936168).

2031155012 is a wasteful number, since it uses less digits than its factorization.

2031155012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17509990 (or 17509988 counting only the distinct ones).

The product of its (nonzero) digits is 300, while the sum is 20.

The square root of 2031155012 is about 45068.3371337350. The cubic root of 2031155012 is about 1266.4295133423.

Adding to 2031155012 its reverse (2105511302), we get a palindrome (4136666314).

The spelling of 2031155012 in words is "two billion, thirty-one million, one hundred fifty-five thousand, twelve".