2031000045 has 16 divisors (see below), whose sum is σ = 3250158912. Its totient is φ = 1083013760.

The previous prime is 2031000043. The next prime is 2031000071. The reversal of 2031000045 is 5400001302.

It is not a de Polignac number, because 2031000045 - 2¹ = 2031000043 is a prime.

It is a super-3 number, since 3×2031000045³ (a number of 29 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a junction number, because it is equal to n+sod(n) for n = 2030999988 and 2031000033.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2031000043) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 163090 + ... + 175100.

It is an arithmetic number, because the mean of its divisors is an integer number (203134932).

Almost surely, 2^2031000045 is an apocalyptic number.

It is an amenable number.

2031000045 is a deficient number, since it is larger than the sum of its proper divisors (1219158867).

2031000045 is a wasteful number, since it uses less digits than its factorization.

2031000045 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23292.

The product of its (nonzero) digits is 120, while the sum is 15.

The square root of 2031000045 is about 45066.6178562359. The cubic root of 2031000045 is about 1266.3973051040.

Adding to 2031000045 its reverse (5400001302), we get a palindrome (7431001347).

The spelling of 2031000045 in words is "two billion, thirty-one million, forty-five", and thus it is an aban number and an uban number.