1021022303313 has 16 divisors (see below), whose sum is σ = 1443347458560. Its totient is φ = 639795131136.

The previous prime is 1021022303281. The next prime is 1021022303351. The reversal of 1021022303313 is 3133032201201.

It is not a de Polignac number, because 1021022303313 - 2⁵ = 1021022303281 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1021022303313.

It is not an unprimeable number, because it can be changed into a prime (1021022305313) 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, 13184673 + ... + 13261886.

It is an arithmetic number, because the mean of its divisors is an integer number (90209216160).

Almost surely, 2^{1021022303313} is an apocalyptic number.

It is an amenable number.

1021022303313 is a deficient number, since it is larger than the sum of its proper divisors (422325155247).

1021022303313 is a wasteful number, since it uses less digits than its factorization.

1021022303313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26447336.

The product of its (nonzero) digits is 648, while the sum is 21.

Adding to 1021022303313 its reverse (3133032201201), we get a palindrome (4154054504514).

The spelling of 1021022303313 in words is "one trillion, twenty-one billion, twenty-two million, three hundred three thousand, three hundred thirteen".