13111431554332 has 12 divisors (see below), whose sum is σ = 22955262278760. Its totient is φ = 6552785188976.

The previous prime is 13111431554323. The next prime is 13111431554461. The reversal of 13111431554332 is 23345513411131.

It is a super-3 number, since 3×13111431554332³ (a number of 40 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 13111431554291 and 13111431554300.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 732636982 + ... + 732654877.

It is an arithmetic number, because the mean of its divisors is an integer number (1912938523230).

Almost surely, 2^{13111431554332} is an apocalyptic number.

It is an amenable number.

13111431554332 is a deficient number, since it is larger than the sum of its proper divisors (9843830724428).

13111431554332 is a wasteful number, since it uses less digits than its factorization.

13111431554332 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1465294100 (or 1465294098 counting only the distinct ones).

The product of its digits is 64800, while the sum is 37.

Adding to 13111431554332 its reverse (23345513411131), we get a palindrome (36456944965463).

The spelling of 13111431554332 in words is "thirteen trillion, one hundred eleven billion, four hundred thirty-one million, five hundred fifty-four thousand, three hundred thirty-two".