13331031124 has 6 divisors (see below), whose sum is σ = 23329304474. Its totient is φ = 6665515560.

The previous prime is 13331031113. The next prime is 13331031137. The reversal of 13331031124 is 42113013331.

It can be written as a sum of positive squares in only one way, i.e., 13117579024 + 213452100 = 114532^2 + 14610^2 .

It is a junction number, because it is equal to n+sod(n) for n = 13331031095 and 13331031104.

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, 1666378887 + ... + 1666378894.

Almost surely, 2^13331031124 is an apocalyptic number.

It is an amenable number.

13331031124 is a deficient number, since it is larger than the sum of its proper divisors (9998273350).

13331031124 is a wasteful number, since it uses less digits than its factorization.

13331031124 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3332757785 (or 3332757783 counting only the distinct ones).

The product of its (nonzero) digits is 648, while the sum is 22.

Adding to 13331031124 its reverse (42113013331), we get a palindrome (55444044455).

The spelling of 13331031124 in words is "thirteen billion, three hundred thirty-one million, thirty-one thousand, one hundred twenty-four".