313211121002103 has 32 divisors (see below), whose sum is σ = 442459994296320. Its totient is φ = 196400377889280.

The previous prime is 313211121002057. The next prime is 313211121002113. The reversal of 313211121002103 is 301200121112313.

It is not a de Polignac number, because 313211121002103 - 2¹² = 313211120998007 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 313211121002103.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (313211121002113) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1523245726 + ... + 1523451332.

It is an arithmetic number, because the mean of its divisors is an integer number (13826874821760).

Almost surely, 2^{313211121002103} is an apocalyptic number.

313211121002103 is a deficient number, since it is larger than the sum of its proper divisors (129248873294217).

313211121002103 is a wasteful number, since it uses less digits than its factorization.

313211121002103 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 224367.

The product of its (nonzero) digits is 216, while the sum is 21.

Adding to 313211121002103 its reverse (301200121112313), we get a palindrome (614411242114416).

The spelling of 313211121002103 in words is "three hundred thirteen trillion, two hundred eleven billion, one hundred twenty-one million, two thousand, one hundred three".