2031173044 has 6 divisors (see below), whose sum is σ = 3554552834. Its totient is φ = 1015586520.

The previous prime is 2031173003. The next prime is 2031173077. The reversal of 2031173044 is 4403711302.

It can be written as a sum of positive squares in only one way, i.e., 1295136144 + 736036900 = 35988^2 + 27130^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 253896627 + ... + 253896634.

Almost surely, 2^2031173044 is an apocalyptic number.

It is an amenable number.

2031173044 is a deficient number, since it is larger than the sum of its proper divisors (1523379790).

2031173044 is a wasteful number, since it uses less digits than its factorization.

2031173044 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 507793265 (or 507793263 counting only the distinct ones).

The product of its (nonzero) digits is 2016, while the sum is 25.

The square root of 2031173044 is about 45068.5371850474. The cubic root of 2031173044 is about 1266.4332609948.

Adding to 2031173044 its reverse (4403711302), we get a palindrome (6434884346).

The spelling of 2031173044 in words is "two billion, thirty-one million, one hundred seventy-three thousand, forty-four".