1045704031 has 4 divisors (see below), whose sum is σ = 1045939752. Its totient is φ = 1045468312.

The previous prime is 1045704019. The next prime is 1045704053. The reversal of 1045704031 is 1304075401.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1304075401 = 439 ⋅2970559.

It is a cyclic number.

It is not a de Polignac number, because 1045704031 - 2⁵ = 1045703999 is a prime.

It is a super-2 number, since 2×1045704031² = 2186993840899297922, 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 = 1045703987 and 1045704005.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1045704001) 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, 111076 + ... + 120121.

It is an arithmetic number, because the mean of its divisors is an integer number (261484938).

Almost surely, 2^1045704031 is an apocalyptic number.

1045704031 is a deficient number, since it is larger than the sum of its proper divisors (235721).

1045704031 is an equidigital number, since it uses as much as digits as its factorization.

1045704031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 235720.

The product of its (nonzero) digits is 1680, while the sum is 25.

The square root of 1045704031 is about 32337.3473092646. The cubic root of 1045704031 is about 1015.0083010314.

Adding to 1045704031 its reverse (1304075401), we get a palindrome (2349779432).

The spelling of 1045704031 in words is "one billion, forty-five million, seven hundred four thousand, thirty-one".