13133210231331 has 32 divisors (see below), whose sum is σ = 19498472642880. Its totient is φ = 8736645489408.

The previous prime is 13133210231303. The next prime is 13133210231347. The reversal of 13133210231331 is 13313201233131.

13133210231331 is a `hidden beast` number, since 1 + 3 + 1 + 3 + 321 + 0 + 2 + 3 + 1 + 331 = 666.

It is not a de Polignac number, because 13133210231331 - 2²⁹ = 13132673360419 is a prime.

It is a super-3 number, since 3×13133210231331³ (a number of 40 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a junction number, because it is equal to n+sod(n) for n = 13133210231295 and 13133210231304.

It is not an unprimeable number, because it can be changed into a prime (13133210231371) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 42511735 + ... + 42819551.

It is an arithmetic number, because the mean of its divisors is an integer number (609327270090).

Almost surely, 2^{13133210231331} is an apocalyptic number.

13133210231331 is a deficient number, since it is larger than the sum of its proper divisors (6365262411549).

13133210231331 is a wasteful number, since it uses less digits than its factorization.

13133210231331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 311220 (or 311214 counting only the distinct ones).

The product of its (nonzero) digits is 2916, while the sum is 27.

Adding to 13133210231331 its reverse (13313201233131), we get a palindrome (26446411464462).

The spelling of 13133210231331 in words is "thirteen trillion, one hundred thirty-three billion, two hundred ten million, two hundred thirty-one thousand, three hundred thirty-one".