13001031112 has 32 divisors (see below), whose sum is σ = 25834037400. Its totient is φ = 6112641024.

The previous prime is 13001031059. The next prime is 13001031139. The reversal of 13001031112 is 21113010031.

It can be written as a sum of positive squares in 4 ways, for example, as 12123331236 + 877699876 = 110106^2 + 29626^2 .

It is a junction number, because it is equal to n+sod(n) for n = 13001031092 and 13001031101.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 111208 + ... + 195880.

Almost surely, 2^13001031112 is an apocalyptic number.

It is an amenable number.

13001031112 is a deficient number, since it is larger than the sum of its proper divisors (12833006288).

13001031112 is a wasteful number, since it uses less digits than its factorization.

13001031112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 85825 (or 85821 counting only the distinct ones).

The product of its (nonzero) digits is 18, while the sum is 13.

Adding to 13001031112 its reverse (21113010031), we get a palindrome (34114041143).

The spelling of 13001031112 in words is "thirteen billion, one million, thirty-one thousand, one hundred twelve".