31111001330113 has 8 divisors (see below), whose sum is σ = 31151486013480. Its totient is φ = 31070528375040.

The previous prime is 31111001330081. The next prime is 31111001330177. The reversal of 31111001330113 is 31103310011113.

It can be written as a sum of positive squares in 4 ways, for example, as 6993787508929 + 24117213821184 = 2644577^2 + 4910928^2 .

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 31111001330113 - 2⁵ = 31111001330081 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (31111001330183) 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, 2382931 + ... + 8240167.

It is an arithmetic number, because the mean of its divisors is an integer number (3893935751685).

Almost surely, 2^{31111001330113} is an apocalyptic number.

It is an amenable number.

31111001330113 is a deficient number, since it is larger than the sum of its proper divisors (40484683367).

31111001330113 is an equidigital number, since it uses as much as digits as its factorization.

31111001330113 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5864147.

The product of its (nonzero) digits is 81, while the sum is 19.

Adding to 31111001330113 its reverse (31103310011113), we get a palindrome (62214311341226).

The spelling of 31111001330113 in words is "thirty-one trillion, one hundred eleven billion, one million, three hundred thirty thousand, one hundred thirteen".