2045028031 has 4 divisors (see below), whose sum is σ = 2060639064. Its totient is φ = 2029417000.

The previous prime is 2045027987. The next prime is 2045028091. The reversal of 2045028031 is 1308205402.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 2045028031 - 2⁹ = 2045027519 is a prime.

It is a super-2 number, since 2×2045028031² = 8364279295151473922, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2045027987 and 2045028005.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2045028091) 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, 7805320 + ... + 7805581.

It is an arithmetic number, because the mean of its divisors is an integer number (515159766).

Almost surely, 2^2045028031 is an apocalyptic number.

2045028031 is a deficient number, since it is larger than the sum of its proper divisors (15611033).

2045028031 is a wasteful number, since it uses less digits than its factorization.

2045028031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15611032.

The product of its (nonzero) digits is 1920, while the sum is 25.

The square root of 2045028031 is about 45221.9861461214. The cubic root of 2045028031 is about 1269.3062594649.

The spelling of 2045028031 in words is "two billion, forty-five million, twenty-eight thousand, thirty-one".