13102302312021 has 48 divisors (see below), whose sum is σ = 20583560555712. Its totient is φ = 7343867819520.

The previous prime is 13102302312019. The next prime is 13102302312023. The reversal of 13102302312021 is 12021320320131.

It is an interprime number because it is at equal distance from previous prime (13102302312019) and next prime (13102302312023).

It is not a de Polignac number, because 13102302312021 - 2¹ = 13102302312019 is a prime.

It is a super-2 number, since 2×13102302312021² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13102302312023) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 9644931 + ... + 10919216.

It is an arithmetic number, because the mean of its divisors is an integer number (428824178244).

Almost surely, 2^{13102302312021} is an apocalyptic number.

It is an amenable number.

13102302312021 is a deficient number, since it is larger than the sum of its proper divisors (7481258243691).

13102302312021 is a wasteful number, since it uses less digits than its factorization.

13102302312021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20564242 (or 20564211 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 21.

Adding to 13102302312021 its reverse (12021320320131), we get a palindrome (25123622632152).

The spelling of 13102302312021 in words is "thirteen trillion, one hundred two billion, three hundred two million, three hundred twelve thousand, twenty-one".