1021313242 has 16 divisors (see below), whose sum is σ = 1585553760. Its totient is φ = 492812208.

The previous prime is 1021313219. The next prime is 1021313273. The reversal of 1021313242 is 2423131201.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 224353 + ... + 228859.

It is an arithmetic number, because the mean of its divisors is an integer number (99097110).

Almost surely, 2^1021313242 is an apocalyptic number.

1021313242 is a deficient number, since it is larger than the sum of its proper divisors (564240518).

1021313242 is a wasteful number, since it uses less digits than its factorization.

1021313242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8445.

The product of its (nonzero) digits is 288, while the sum is 19.

The square root of 1021313242 is about 31957.9918330298. The cubic root of 1021313242 is about 1007.0545305722.

Adding to 1021313242 its reverse (2423131201), we get a palindrome (3444444443).

The spelling of 1021313242 in words is "one billion, twenty-one million, three hundred thirteen thousand, two hundred forty-two".