1031122312 has 24 divisors (see below), whose sum is σ = 2125093950. Its totient is φ = 468691520.

The previous prime is 1031122297. The next prime is 1031122321. The reversal of 1031122312 is 2132211301.

It can be written as a sum of positive squares in only one way, i.e., 1027458916 + 3663396 = 32054^2 + 1914^2 .

It is an unprimeable number.

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, 531637 + ... + 533572.

Almost surely, 2^1031122312 is an apocalyptic number.

It is an amenable number.

1031122312 is an abundant number, since it is smaller than the sum of its proper divisors (1093971638).

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

1031122312 is a wasteful number, since it uses less digits than its factorization.

1031122312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1065237 (or 1065222 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 16.

The square root of 1031122312 is about 32111.0932856544. The cubic root of 1031122312 is about 1010.2683050218.

Adding to 1031122312 its reverse (2132211301), we get a palindrome (3163333613).

It can be divided in two parts, 10311 and 22312, that added together give a palindrome (32623).

The spelling of 1031122312 in words is "one billion, thirty-one million, one hundred twenty-two thousand, three hundred twelve".