1040044031 has 4 divisors (see below), whose sum is σ = 1120047432. Its totient is φ = 960040632.

The previous prime is 1040044013. The next prime is 1040044051. The reversal of 1040044031 is 1304400401.

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 1040044031 - 2¹⁴ = 1040027647 is a prime.

It is a super-2 number, since 2×1040044031² = 2163383172837457922, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1040044001) 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, 40001681 + ... + 40001706.

It is an arithmetic number, because the mean of its divisors is an integer number (280011858).

Almost surely, 2^1040044031 is an apocalyptic number.

1040044031 is a deficient number, since it is larger than the sum of its proper divisors (80003401).

1040044031 is an equidigital number, since it uses as much as digits as its factorization.

1040044031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 80003400.

The product of its (nonzero) digits is 192, while the sum is 17.

The square root of 1040044031 is about 32249.7136576435. The cubic root of 1040044031 is about 1013.1737018305.

Adding to 1040044031 its reverse (1304400401), we get a palindrome (2344444432).

The spelling of 1040044031 in words is "one billion, forty million, forty-four thousand, thirty-one".