2045131012 has 12 divisors (see below), whose sum is σ = 3584567196. Its totient is φ = 1020968960.

The previous prime is 2045131009. The next prime is 2045131013. The reversal of 2045131012 is 2101315402.

It can be written as a sum of positive squares in 2 ways, for example, as 1768707136 + 276423876 = 42056^2 + 16626^2 .

It is not an unprimeable number, because it can be changed into a prime (2045131013) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 396253 + ... + 401380.

It is an arithmetic number, because the mean of its divisors is an integer number (298713933).

Almost surely, 2^2045131012 is an apocalyptic number.

It is an amenable number.

2045131012 is a deficient number, since it is larger than the sum of its proper divisors (1539436184).

2045131012 is a wasteful number, since it uses less digits than its factorization.

2045131012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 798278 (or 798276 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 19.

The square root of 2045131012 is about 45223.1247482966. The cubic root of 2045131012 is about 1269.3275651604.

Adding to 2045131012 its reverse (2101315402), we get a palindrome (4146446414).

The spelling of 2045131012 in words is "two billion, forty-five million, one hundred thirty-one thousand, twelve".