1031032404 has 18 divisors (see below), whose sum is σ = 2606220890. Its totient is φ = 343677456.

The previous prime is 1031032403. The next prime is 1031032451. The reversal of 1031032404 is 4042301301.

It can be written as a sum of positive squares in only one way, i.e., 858372804 + 172659600 = 29298^2 + 13140^2 .

It is a tau number, because it is divible by the number of its divisors (18).

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1031032403) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 14319859 + ... + 14319930.

Almost surely, 2^1031032404 is an apocalyptic number.

It is an amenable number.

1031032404 is an abundant number, since it is smaller than the sum of its proper divisors (1575188486).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1031032404 is a wasteful number, since it uses less digits than its factorization.

1031032404 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28639799 (or 28639794 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

The square root of 1031032404 is about 32109.6933028019. The cubic root of 1031032404 is about 1010.2389409519.

Adding to 1031032404 its reverse (4042301301), we get a palindrome (5073333705).

The spelling of 1031032404 in words is "one billion, thirty-one million, thirty-two thousand, four hundred four".