1021131332 has 12 divisors (see below), whose sum is σ = 1924439916. Its totient is φ = 471291360.

The previous prime is 1021131323. The next prime is 1021131361. The reversal of 1021131332 is 2331311201.

It can be written as a sum of positive squares in 2 ways, for example, as 176996416 + 844134916 = 13304^2 + 29054^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 1021131332.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9818519 + ... + 9818622.

It is an arithmetic number, because the mean of its divisors is an integer number (160369993).

Almost surely, 2^1021131332 is an apocalyptic number.

It is an amenable number.

1021131332 is a deficient number, since it is larger than the sum of its proper divisors (903308584).

1021131332 is a wasteful number, since it uses less digits than its factorization.

1021131332 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19637158 (or 19637156 counting only the distinct ones).

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

The square root of 1021131332 is about 31955.1456263307. The cubic root of 1021131332 is about 1006.9947369132.

Adding to 1021131332 its reverse (2331311201), we get a palindrome (3352442533).

The spelling of 1021131332 in words is "one billion, twenty-one million, one hundred thirty-one thousand, three hundred thirty-two".