2031244245 has 24 divisors (see below), whose sum is σ = 3642233400. Its totient is φ = 1045973376.

The previous prime is 2031244219. The next prime is 2031244253. The reversal of 2031244245 is 5424421302.

2031244245 is a `hidden beast` number, since 203 + 12 + 442 + 4 + 5 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 13527684 + 2017716561 = 3678^2 + 44919^2 .

It is not a de Polignac number, because 2031244245 - 2¹¹ = 2031242197 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 776950 + ... + 779559.

It is an arithmetic number, because the mean of its divisors is an integer number (151759725).

Almost surely, 2^2031244245 is an apocalyptic number.

It is an amenable number.

2031244245 is a deficient number, since it is larger than the sum of its proper divisors (1610989155).

2031244245 is a wasteful number, since it uses less digits than its factorization.

2031244245 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1556549 (or 1556546 counting only the distinct ones).

The product of its (nonzero) digits is 7680, while the sum is 27.

The square root of 2031244245 is about 45069.3270972621. The cubic root of 2031244245 is about 1266.4480587264.

Adding to 2031244245 its reverse (5424421302), we get a palindrome (7455665547).

The spelling of 2031244245 in words is "two billion, thirty-one million, two hundred forty-four thousand, two hundred forty-five".