13131133012 has 6 divisors (see below), whose sum is σ = 22979482778. Its totient is φ = 6565566504.

The previous prime is 13131133003. The next prime is 13131133121. The reversal of 13131133012 is 21033113131.

It can be written as a sum of positive squares in only one way, i.e., 8435320336 + 4695812676 = 91844^2 + 68526^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1641391623 + ... + 1641391630.

Almost surely, 2^13131133012 is an apocalyptic number.

It is an amenable number.

13131133012 is a deficient number, since it is larger than the sum of its proper divisors (9848349766).

13131133012 is a wasteful number, since it uses less digits than its factorization.

13131133012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3282783257 (or 3282783255 counting only the distinct ones).

The product of its (nonzero) digits is 162, while the sum is 19.

Adding to 13131133012 its reverse (21033113131), we get a palindrome (34164246143).

The spelling of 13131133012 in words is "thirteen billion, one hundred thirty-one million, one hundred thirty-three thousand, twelve".