1021313132 has 24 divisors (see below), whose sum is σ = 2071399680. Its totient is φ = 431539920.

The previous prime is 1021313129. The next prime is 1021313141. The reversal of 1021313132 is 2313131201.

It is a self number, because there is not a number n which added to its sum of digits gives 1021313132.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 254882 + ... + 258857.

It is an arithmetic number, because the mean of its divisors is an integer number (86308320).

Almost surely, 2^1021313132 is an apocalyptic number.

It is an amenable number.

1021313132 is an abundant number, since it is smaller than the sum of its proper divisors (1050086548).

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

1021313132 is a wasteful number, since it uses less digits than its factorization.

1021313132 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 513821 (or 513819 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 17.

The square root of 1021313132 is about 31957.9901120205. The cubic root of 1021313132 is about 1007.0544944174.

Adding to 1021313132 its reverse (2313131201), we get a palindrome (3334444333).

The spelling of 1021313132 in words is "one billion, twenty-one million, three hundred thirteen thousand, one hundred thirty-two".