1031322132 has 42 divisors (see below), whose sum is σ = 2705990378. Its totient is φ = 343773072.

The previous prime is 1031322091. The next prime is 1031322133. The reversal of 1031322132 is 2312231301.

It can be written as a sum of positive squares in only one way, i.e., 1028869776 + 2452356 = 32076^2 + 1566^2 .

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1031322133) by changing a digit.

It is a polite number, since it can be written in 13 ways as a sum of consecutive naturals, for example, 173923 + ... + 179754.

Almost surely, 2^1031322132 is an apocalyptic number.

1031322132 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1031322132 is an abundant number, since it is smaller than the sum of its proper divisors (1674668246).

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

1031322132 is an equidigital number, since it uses as much as digits as its factorization.

1031322132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 353699 (or 353682 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 18.

The square root of 1031322132 is about 32114.2045207413. The cubic root of 1031322132 is about 1010.3335603821. Note that the first 3 decimals are identical.

Adding to 1031322132 its reverse (2312231301), we get a palindrome (3343553433).

The spelling of 1031322132 in words is "one billion, thirty-one million, three hundred twenty-two thousand, one hundred thirty-two".