1021313032 has 8 divisors (see below), whose sum is σ = 1914961950. Its totient is φ = 510656512.

The previous prime is 1021313009. The next prime is 1021313047. The reversal of 1021313032 is 2303131201.

It can be written as a sum of positive squares in only one way, i.e., 864712836 + 156600196 = 29406^2 + 12514^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is a junction number, because it is equal to n+sod(n) for n = 1021312997 and 1021313015.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 63832057 + ... + 63832072.

Almost surely, 2^1021313032 is an apocalyptic number.

It is an amenable number.

1021313032 is a deficient number, since it is larger than the sum of its proper divisors (893648918).

1021313032 is a wasteful number, since it uses less digits than its factorization.

1021313032 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 127664135 (or 127664131 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 16.

The square root of 1021313032 is about 31957.9885474665. The cubic root of 1021313032 is about 1007.0544615495.

Adding to 1021313032 its reverse (2303131201), we get a palindrome (3324444233).

The spelling of 1021313032 in words is "one billion, twenty-one million, three hundred thirteen thousand, thirty-two".