1031163312 has 40 divisors (see below), whose sum is σ = 2668829680. Its totient is φ = 343077120.

The previous prime is 1031163281. The next prime is 1031163313. The reversal of 1031163312 is 2133611301.

It is not an unprimeable number, because it can be changed into a prime (1031163313) 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 7 ways as a sum of consecutive naturals, for example, 6114 + ... + 45822.

It is an arithmetic number, because the mean of its divisors is an integer number (66720742).

Almost surely, 2^1031163312 is an apocalyptic number.

1031163312 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1031163312 is an abundant number, since it is smaller than the sum of its proper divisors (1637666368).

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

1031163312 is a wasteful number, since it uses less digits than its factorization.

1031163312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40261 (or 40255 counting only the distinct ones).

The product of its (nonzero) digits is 324, while the sum is 21.

The square root of 1031163312 is about 32111.7316879672. The cubic root of 1031163312 is about 1010.2816951085.

Adding to 1031163312 its reverse (2133611301), we get a palindrome (3164774613).

The spelling of 1031163312 in words is "one billion, thirty-one million, one hundred sixty-three thousand, three hundred twelve".