1031332212 has 18 divisors (see below), whose sum is σ = 2606978738. Its totient is φ = 343777392.

The previous prime is 1031332207. The next prime is 1031332219. The reversal of 1031332212 is 2122331301.

It can be written as a sum of positive squares in only one way, i.e., 684031716 + 347300496 = 26154^2 + 18636^2 .

It is a tau number, because it is divible by the number of its divisors (18).

It is a super-2 number, since 2×1031332212² = 2127292263017625888, which contains 22 as substring.

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 (1031332219) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 14324023 + ... + 14324094.

Almost surely, 2^1031332212 is an apocalyptic number.

1031332212 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1031332212 is an abundant number, since it is smaller than the sum of its proper divisors (1575646526).

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

1031332212 is a wasteful number, since it uses less digits than its factorization.

1031332212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28648127 (or 28648122 counting only the distinct ones).

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

The square root of 1031332212 is about 32114.3614602564. The cubic root of 1031332212 is about 1010.3368519916.

Adding to 1031332212 its reverse (2122331301), we get a palindrome (3153663513).

The spelling of 1031332212 in words is "one billion, thirty-one million, three hundred thirty-two thousand, two hundred twelve".