1031045436 has 60 divisors (see below), whose sum is σ = 2716688128. Its totient is φ = 340962048.

The previous prime is 1031045417. The next prime is 1031045437. The reversal of 1031045436 is 6345401301.

1031045436 is a `hidden beast` number, since 10 + 3 + 104 + 543 + 6 = 666.

1031045436 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1031045437) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 28620 + ... + 53676.

Almost surely, 2^1031045436 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1031045436, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1358344064).

1031045436 is an abundant number, since it is smaller than the sum of its proper divisors (1685642692).

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

1031045436 is a wasteful number, since it uses less digits than its factorization.

1031045436 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25200 (or 25189 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 27.

The square root of 1031045436 is about 32109.8962315358. The cubic root of 1031045436 is about 1010.2431973259.

Adding to 1031045436 its reverse (6345401301), we get a palindrome (7376446737).

The spelling of 1031045436 in words is "one billion, thirty-one million, forty-five thousand, four hundred thirty-six".