13210231333 has 4 divisors (see below), whose sum is σ = 14226402988. Its totient is φ = 12194059680.

The previous prime is 13210231303. The next prime is 13210231337. The reversal of 13210231333 is 33313201231.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 33313201231 = 4093 ⋅8139067.

It can be written as a sum of positive squares in 2 ways, for example, as 2609881569 + 10600349764 = 51087^2 + 102958^2 .

It is a cyclic number.

It is not a de Polignac number, because 13210231333 - 2¹³ = 13210223141 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13210231337) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 508085808 + ... + 508085833.

It is an arithmetic number, because the mean of its divisors is an integer number (3556600747).

Almost surely, 2^13210231333 is an apocalyptic number.

13210231333 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

13210231333 is a deficient number, since it is larger than the sum of its proper divisors (1016171655).

13210231333 is a wasteful number, since it uses less digits than its factorization.

13210231333 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1016171654.

The product of its (nonzero) digits is 972, while the sum is 22.

Adding to 13210231333 its reverse (33313201231), we get a palindrome (46523432564).

The spelling of 13210231333 in words is "thirteen billion, two hundred ten million, two hundred thirty-one thousand, three hundred thirty-three".