1031343216 has 80 divisors (see below), whose sum is σ = 2912099328. Its totient is φ = 313113600.

The previous prime is 1031343193. The next prime is 1031343221. The reversal of 1031343216 is 6123431301.

It is a happy number.

1031343216 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 (24).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4911 + ... + 45681.

Almost surely, 2^1031343216 is an apocalyptic number.

1031343216 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1031343216, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1456049664).

1031343216 is an abundant number, since it is smaller than the sum of its proper divisors (1880756112).

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

1031343216 is a wasteful number, since it uses less digits than its factorization.

1031343216 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40830 (or 40824 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 24.

The square root of 1031343216 is about 32114.5327850181. The cubic root of 1031343216 is about 1010.3404453075.

Adding to 1031343216 its reverse (6123431301), we get a palindrome (7154774517).

The spelling of 1031343216 in words is "one billion, thirty-one million, three hundred forty-three thousand, two hundred sixteen".