2312103213 has 24 divisors (see below), whose sum is σ = 3948422400. Its totient is φ = 1275642144.

The previous prime is 2312103193. The next prime is 2312103223. The reversal of 2312103213 is 3123012132.

It is not a de Polignac number, because 2312103213 - 2¹⁰ = 2312102189 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2312103223) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 630933 + ... + 634586.

It is an arithmetic number, because the mean of its divisors is an integer number (164517600).

Almost surely, 2^2312103213 is an apocalyptic number.

It is an amenable number.

2312103213 is a deficient number, since it is larger than the sum of its proper divisors (1636319187).

2312103213 is a wasteful number, since it uses less digits than its factorization.

2312103213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1265561 (or 1265558 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 18.

The square root of 2312103213 is about 48084.3343824161. The cubic root of 2312103213 is about 1322.3174802043.

Adding to 2312103213 its reverse (3123012132), we get a palindrome (5435115345).

The spelling of 2312103213 in words is "two billion, three hundred twelve million, one hundred three thousand, two hundred thirteen".