211110031313 has 4 divisors (see below), whose sum is σ = 211139330880. Its totient is φ = 211080731748.

The previous prime is 211110031303. The next prime is 211110031343. The reversal of 211110031313 is 313130011112.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-211110031313 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 211110031291 and 211110031300.

It is not an unprimeable number, because it can be changed into a prime (211110031303) 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, 14638973 + ... + 14653386.

It is an arithmetic number, because the mean of its divisors is an integer number (52784832720).

Almost surely, 2^211110031313 is an apocalyptic number.

It is an amenable number.

211110031313 is a deficient number, since it is larger than the sum of its proper divisors (29299567).

211110031313 is an equidigital number, since it uses as much as digits as its factorization.

211110031313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29299566.

The product of its (nonzero) digits is 54, while the sum is 17.

Adding to 211110031313 its reverse (313130011112), we get a palindrome (524240042425).

The spelling of 211110031313 in words is "two hundred eleven billion, one hundred ten million, thirty-one thousand, three hundred thirteen".