1031340646 has 32 divisors (see below), whose sum is σ = 1811377152. Its totient is φ = 431222400.

The previous prime is 1031340619. The next prime is 1031340647. The reversal of 1031340646 is 6460431301.

1031340646 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1031340647) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 219421 + ... + 224071.

It is an arithmetic number, because the mean of its divisors is an integer number (56605536).

Almost surely, 2^1031340646 is an apocalyptic number.

1031340646 is a deficient number, since it is larger than the sum of its proper divisors (780036506).

1031340646 is a wasteful number, since it uses less digits than its factorization.

1031340646 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5044.

The product of its (nonzero) digits is 5184, while the sum is 28.

The square root of 1031340646 is about 32114.4927719558. The cubic root of 1031340646 is about 1010.3396060857.

Adding to 1031340646 its reverse (6460431301), we get a palindrome (7491771947).

The spelling of 1031340646 in words is "one billion, thirty-one million, three hundred forty thousand, six hundred forty-six".