1031522352 has 80 divisors (see below), whose sum is σ = 3090968832. Its totient is φ = 290315520.

The previous prime is 1031522341. The next prime is 1031522353. The reversal of 1031522352 is 2532251301.

It is a happy number.

It is a super-2 number, since 2×1031522352² = 2128076725351223808, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is not an unprimeable number, because it can be changed into a prime (1031522353) 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, 399 + ... + 45422.

Almost surely, 2^1031522352 is an apocalyptic number.

1031522352 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 1031522352, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1545484416).

1031522352 is an abundant number, since it is smaller than the sum of its proper divisors (2059446480).

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

1031522352 is a wasteful number, since it uses less digits than its factorization.

1031522352 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45906 (or 45900 counting only the distinct ones).

The product of its (nonzero) digits is 1800, while the sum is 24.

The square root of 1031522352 is about 32117.3216816098. The cubic root of 1031522352 is about 1010.3989379171.

Adding to 1031522352 its reverse (2532251301), we get a palindrome (3563773653).

The spelling of 1031522352 in words is "one billion, thirty-one million, five hundred twenty-two thousand, three hundred fifty-two".