13112031043204 has 6 divisors (see below), whose sum is σ = 22946054325614. Its totient is φ = 6556015521600.

The previous prime is 13112031043201. The next prime is 13112031043213. The reversal of 13112031043204 is 40234013021131.

It can be written as a sum of positive squares in only one way, i.e., 12204961473600 + 907069569604 = 3493560^2 + 952402^2 .

It is not an unprimeable number, because it can be changed into a prime (13112031043201) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1639003880397 + ... + 1639003880404.

Almost surely, 2^{13112031043204} is an apocalyptic number.

It is an amenable number.

13112031043204 is a deficient number, since it is larger than the sum of its proper divisors (9834023282410).

13112031043204 is a wasteful number, since it uses less digits than its factorization.

13112031043204 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3278007760805 (or 3278007760803 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 25.

Adding to 13112031043204 its reverse (40234013021131), we get a palindrome (53346044064335).

The spelling of 13112031043204 in words is "thirteen trillion, one hundred twelve billion, thirty-one million, forty-three thousand, two hundred four".