103213313112 has 64 divisors (see below), whose sum is σ = 317579431680. Its totient is φ = 27221092992.

The previous prime is 103213313029. The next prime is 103213313123. The reversal of 103213313112 is 211313312301.

It is a happy number.

It is a super-2 number, since 2×103213313112² (a number of 23 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 23627238 + ... + 23631605.

It is an arithmetic number, because the mean of its divisors is an integer number (4962178620).

Almost surely, 2^103213313112 is an apocalyptic number.

103213313112 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

103213313112 is an abundant number, since it is smaller than the sum of its proper divisors (214366118568).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

103213313112 is a wasteful number, since it uses less digits than its factorization.

103213313112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47258872 (or 47258868 counting only the distinct ones).

The product of its (nonzero) digits is 324, while the sum is 21.

Adding to 103213313112 its reverse (211313312301), we get a palindrome (314526625413).

The spelling of 103213313112 in words is "one hundred three billion, two hundred thirteen million, three hundred thirteen thousand, one hundred twelve".