13311003031 has 4 divisors (see below), whose sum is σ = 13428799632. Its totient is φ = 13193206432.

The previous prime is 13311003019. The next prime is 13311003037. The reversal of 13311003031 is 13030011331.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 13311003031 - 2¹³ = 13310994839 is a prime.

It is a super-2 number, since 2×13311003031² (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 = 13311002996 and 13311003014.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13311003037) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 58898131 + ... + 58898356.

It is an arithmetic number, because the mean of its divisors is an integer number (3357199908).

Almost surely, 2^13311003031 is an apocalyptic number.

13311003031 is a deficient number, since it is larger than the sum of its proper divisors (117796601).

13311003031 is a wasteful number, since it uses less digits than its factorization.

13311003031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 117796600.

The product of its (nonzero) digits is 81, while the sum is 16.

Adding to 13311003031 its reverse (13030011331), we get a palindrome (26341014362).

The spelling of 13311003031 in words is "thirteen billion, three hundred eleven million, three thousand, thirty-one".