13011210031 has 4 divisors (see below), whose sum is σ = 13011481864. Its totient is φ = 13010938200.

The previous prime is 13011210029. The next prime is 13011210041. The reversal of 13011210031 is 13001211031.

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 13011210031 - 2¹ = 13011210029 is a prime.

It is a super-2 number, since 2×13011210031² (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 = 13011209993 and 13011210020.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13011210011) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 42900 + ... + 166921.

It is an arithmetic number, because the mean of its divisors is an integer number (3252870466).

Almost surely, 2^13011210031 is an apocalyptic number.

13011210031 is a deficient number, since it is larger than the sum of its proper divisors (271833).

13011210031 is an equidigital number, since it uses as much as digits as its factorization.

13011210031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 271832.

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

Adding to 13011210031 its reverse (13001211031), we get a palindrome (26012421062).

The spelling of 13011210031 in words is "thirteen billion, eleven million, two hundred ten thousand, thirty-one".