1031789352 has 64 divisors (see below), whose sum is σ = 2823076800. Its totient is φ = 311651840.

The previous prime is 1031789321. The next prime is 1031789359. The reversal of 1031789352 is 2539871301.

It is a Smith number, since the sum of its digits (39) coincides with the sum of the digits of its prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 1031789352.

It is not an unprimeable number, because it can be changed into a prime (1031789359) 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, 77524 + ... + 89852.

It is an arithmetic number, because the mean of its divisors is an integer number (44110575).

Almost surely, 2^1031789352 is an apocalyptic number.

1031789352 is a gapful number since it is divisible by the number (12) 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 1031789352, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1411538400).

1031789352 is an abundant number, since it is smaller than the sum of its proper divisors (1791287448).

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

1031789352 is a wasteful number, since it uses less digits than its factorization.

1031789352 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12666 (or 12662 counting only the distinct ones).

The product of its (nonzero) digits is 45360, while the sum is 39.

The square root of 1031789352 is about 32121.4780481845. The cubic root of 1031789352 is about 1010.4861078631.

The spelling of 1031789352 in words is "one billion, thirty-one million, seven hundred eighty-nine thousand, three hundred fifty-two".