1021332013 has 16 divisors (see below), whose sum is σ = 1112844096. Its totient is φ = 931714560.

The previous prime is 1021331989. The next prime is 1021332019. The reversal of 1021332013 is 3102331201.

It is a cyclic number.

It is not a de Polignac number, because 1021332013 - 2⁵ = 1021331981 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1021332019) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 935598 + ... + 936688.

It is an arithmetic number, because the mean of its divisors is an integer number (69552756).

Almost surely, 2^1021332013 is an apocalyptic number.

1021332013 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

1021332013 is a deficient number, since it is larger than the sum of its proper divisors (91512083).

1021332013 is a wasteful number, since it uses less digits than its factorization.

1021332013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1884.

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

The square root of 1021332013 is about 31958.2855140885. The cubic root of 1021332013 is about 1007.0607001795.

Adding to 1021332013 its reverse (3102331201), we get a palindrome (4123663214).

The spelling of 1021332013 in words is "one billion, twenty-one million, three hundred thirty-two thousand, thirteen".