21302131012193 has 16 divisors (see below), whose sum is σ = 22601647728000. Its totient is φ = 20007779886336.

The previous prime is 21302131012153. The next prime is 21302131012199. The reversal of 21302131012193 is 39121013120312.

It is not a de Polignac number, because 21302131012193 - 2¹⁰ = 21302131011169 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (21302131012199) 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, 181333271 + ... + 181450707.

It is an arithmetic number, because the mean of its divisors is an integer number (1412602983000).

Almost surely, 2^{21302131012193} is an apocalyptic number.

It is an amenable number.

21302131012193 is a deficient number, since it is larger than the sum of its proper divisors (1299516715807).

21302131012193 is a wasteful number, since it uses less digits than its factorization.

21302131012193 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 139336.

The product of its (nonzero) digits is 1944, while the sum is 29.

The spelling of 21302131012193 in words is "twenty-one trillion, three hundred two billion, one hundred thirty-one million, twelve thousand, one hundred ninety-three".