1021313092 has 12 divisors (see below), whose sum is σ = 1807380540. Its totient is φ = 504918656.

The previous prime is 1021313087. The next prime is 1021313119. The reversal of 1021313092 is 2903131201.

It can be written as a sum of positive squares in 2 ways, for example, as 264843076 + 756470016 = 16274^2 + 27504^2 .

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, 1434073 + ... + 1434784.

It is an arithmetic number, because the mean of its divisors is an integer number (150615045).

Almost surely, 2^1021313092 is an apocalyptic number.

It is an amenable number.

1021313092 is a deficient number, since it is larger than the sum of its proper divisors (786067448).

1021313092 is a wasteful number, since it uses less digits than its factorization.

1021313092 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2868950 (or 2868948 counting only the distinct ones).

The product of its (nonzero) digits is 324, while the sum is 22.

The square root of 1021313092 is about 31957.9894861989. The cubic root of 1021313092 is about 1007.0544812703.

Adding to 1021313092 its reverse (2903131201), we get a palindrome (3924444293).

The spelling of 1021313092 in words is "one billion, twenty-one million, three hundred thirteen thousand, ninety-two".