13020210032331 has 4 divisors (see below), whose sum is σ = 17360280043112. Its totient is φ = 8680140021552.

The previous prime is 13020210032233. The next prime is 13020210032363. The reversal of 13020210032331 is 13323001202031.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 13020210032331 - 2²¹ = 13020207935179 is a prime.

It is a super-2 number, since 2×13020210032331² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 13020210032298 and 13020210032307.

It is not an unprimeable number, because it can be changed into a prime (13020210032131) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2170035005386 + ... + 2170035005391.

It is an arithmetic number, because the mean of its divisors is an integer number (4340070010778).

Almost surely, 2^{13020210032331} is an apocalyptic number.

13020210032331 is a deficient number, since it is larger than the sum of its proper divisors (4340070010781).

13020210032331 is an equidigital number, since it uses as much as digits as its factorization.

13020210032331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4340070010780.

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

Adding to 13020210032331 its reverse (13323001202031), we get a palindrome (26343211234362).

The spelling of 13020210032331 in words is "thirteen trillion, twenty billion, two hundred ten million, thirty-two thousand, three hundred thirty-one".