13331043331431 has 24 divisors (see below), whose sum is σ = 21439398547584. Its totient is φ = 7216805408400.

The previous prime is 13331043331343. The next prime is 13331043331471. The reversal of 13331043331431 is 13413334013331.

13331043331431 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 13331043331431 - 2⁷ = 13331043331303 is a prime.

It is a super-2 number, since 2×13331043331431² (a number of 27 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 13331043331392 and 13331043331401.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13331043331471) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 879232845 + ... + 879248006.

It is an arithmetic number, because the mean of its divisors is an integer number (893308272816).

Almost surely, 2^{13331043331431} is an apocalyptic number.

13331043331431 is a deficient number, since it is larger than the sum of its proper divisors (8108355216153).

13331043331431 is a wasteful number, since it uses less digits than its factorization.

13331043331431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1758480899 (or 1758480880 counting only the distinct ones).

The product of its (nonzero) digits is 34992, while the sum is 33.

Adding to 13331043331431 its reverse (13413334013331), we get a palindrome (26744377344762).

The spelling of 13331043331431 in words is "thirteen trillion, three hundred thirty-one billion, forty-three million, three hundred thirty-one thousand, four hundred thirty-one".