2045802031 has 8 divisors (see below), whose sum is σ = 2517910304. Its totient is φ = 1618656480.

The previous prime is 2045802019. The next prime is 2045802047. The reversal of 2045802031 is 1302085402.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 2045802031 - 2⁷ = 2045801903 is a prime.

It is a super-2 number, since 2×2045802031² = 8370611900087449922, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 2045801987 and 2045802005.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2045802061) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11240580 + ... + 11240761.

It is an arithmetic number, because the mean of its divisors is an integer number (314738788).

Almost surely, 2^2045802031 is an apocalyptic number.

2045802031 is a deficient number, since it is larger than the sum of its proper divisors (472108273).

2045802031 is a wasteful number, since it uses less digits than its factorization.

2045802031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22481361.

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

The square root of 2045802031 is about 45230.5431207718. The cubic root of 2045802031 is about 1269.4663744871.

Adding to 2045802031 its reverse (1302085402), we get a palindrome (3347887433).

The spelling of 2045802031 in words is "two billion, forty-five million, eight hundred two thousand, thirty-one".