13131435206356 has 48 divisors (see below), whose sum is σ = 24540102720000. Its totient is φ = 6134613448320.

The previous prime is 13131435206321. The next prime is 13131435206437. The reversal of 13131435206356 is 65360253413131.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 182601295 + ... + 182673193.

It is an arithmetic number, because the mean of its divisors is an integer number (511252140000).

Almost surely, 2^{13131435206356} is an apocalyptic number.

It is an amenable number.

13131435206356 is a deficient number, since it is larger than the sum of its proper divisors (11408667513644).

13131435206356 is a wasteful number, since it uses less digits than its factorization.

13131435206356 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 122752 (or 122750 counting only the distinct ones).

The product of its (nonzero) digits is 583200, while the sum is 43.

Adding to 13131435206356 its reverse (65360253413131), we get a palindrome (78491688619487).

The spelling of 13131435206356 in words is "thirteen trillion, one hundred thirty-one billion, four hundred thirty-five million, two hundred six thousand, three hundred fifty-six".