13011042031 has 8 divisors (see below), whose sum is σ = 14241595424. Its totient is φ = 11813303520.

The previous prime is 13011042029. The next prime is 13011042061. The reversal of 13011042031 is 13024011031.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 13011042031 - 2¹ = 13011042029 is a prime.

It is a super-2 number, since 2×13011042031² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 13011041996 and 13011042014.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13011042061) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8202891 + ... + 8204476.

It is an arithmetic number, because the mean of its divisors is an integer number (1780199428).

Almost surely, 2^13011042031 is an apocalyptic number.

13011042031 is a deficient number, since it is larger than the sum of its proper divisors (1230553393).

13011042031 is a wasteful number, since it uses less digits than its factorization.

13011042031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16407441.

The product of its (nonzero) digits is 72, while the sum is 16.

Adding to 13011042031 its reverse (13024011031), we get a palindrome (26035053062).

The spelling of 13011042031 in words is "thirteen billion, eleven million, forty-two thousand, thirty-one".