313111021103 has 8 divisors (see below), whose sum is σ = 335523647088. Its totient is φ = 291142209664.

The previous prime is 313111021049. The next prime is 313111021163. The reversal of 313111021103 is 301120111313.

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 313111021103 - 2¹² = 313111017007 is a prime.

It is a super-2 number, since 2×313111021103² (a number of 24 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (17).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (313111021163) 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, 110952176 + ... + 110954997.

It is an arithmetic number, because the mean of its divisors is an integer number (41940455886).

Almost surely, 2^313111021103 is an apocalyptic number.

313111021103 is a deficient number, since it is larger than the sum of its proper divisors (22412625985).

313111021103 is a wasteful number, since it uses less digits than its factorization.

313111021103 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 221907273.

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

Adding to 313111021103 its reverse (301120111313), we get a palindrome (614231132416).

The spelling of 313111021103 in words is "three hundred thirteen billion, one hundred eleven million, twenty-one thousand, one hundred three".