31130023113311 has 8 divisors (see below), whose sum is σ = 31480402100400. Its totient is φ = 30779657536320.

The previous prime is 31130023113263. The next prime is 31130023113347. The reversal of 31130023113311 is 11331132003113.

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 31130023113311 - 2²⁶ = 31129956004447 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31130023113811) 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, 1353341 + ... + 8005721.

It is an arithmetic number, because the mean of its divisors is an integer number (3935050262550).

Almost surely, 2^{31130023113311} is an apocalyptic number.

31130023113311 is a deficient number, since it is larger than the sum of its proper divisors (350378987089).

31130023113311 is an equidigital number, since it uses as much as digits as its factorization.

31130023113311 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6705049.

The product of its (nonzero) digits is 486, while the sum is 23.

Adding to 31130023113311 its reverse (11331132003113), we get a palindrome (42461155116424).

The spelling of 31130023113311 in words is "thirty-one trillion, one hundred thirty billion, twenty-three million, one hundred thirteen thousand, three hundred eleven".