1011321202313 has 16 divisors (see below), whose sum is σ = 1071938919744. Its totient is φ = 950829434880.

The previous prime is 1011321202277. The next prime is 1011321202327. The reversal of 1011321202313 is 3132021231101.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 1011321202313 - 2⁶ = 1011321202249 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1011321202343) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 70286906 + ... + 70301292.

It is an arithmetic number, because the mean of its divisors is an integer number (66996182484).

Almost surely, 2^{1011321202313} is an apocalyptic number.

It is an amenable number.

1011321202313 is a deficient number, since it is larger than the sum of its proper divisors (60617717431).

1011321202313 is a wasteful number, since it uses less digits than its factorization.

1011321202313 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18472.

The product of its (nonzero) digits is 216, while the sum is 20.

Adding to 1011321202313 its reverse (3132021231101), we get a palindrome (4143342433414).

The spelling of 1011321202313 in words is "one trillion, eleven billion, three hundred twenty-one million, two hundred two thousand, three hundred thirteen".