13031111334 has 16 divisors (see below), whose sum is σ = 27195363072. Its totient is φ = 4154847048.

The previous prime is 13031111329. The next prime is 13031111341. The reversal of 13031111334 is 43311113031.

It is a self number, because there is not a number n which added to its sum of digits gives 13031111334.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 47214034 + ... + 47214309.

It is an arithmetic number, because the mean of its divisors is an integer number (1699710192).

Almost surely, 2^13031111334 is an apocalyptic number.

13031111334 is an abundant number, since it is smaller than the sum of its proper divisors (14164251738).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

13031111334 is a wasteful number, since it uses less digits than its factorization.

13031111334 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 94428371.

The product of its (nonzero) digits is 324, while the sum is 21.

Adding to 13031111334 its reverse (43311113031), we get a palindrome (56342224365).

The spelling of 13031111334 in words is "thirteen billion, thirty-one million, one hundred eleven thousand, three hundred thirty-four".