100343312 has 20 divisors (see below), whose sum is σ = 195012816. Its totient is φ = 50017440.

The previous prime is 100343291. The next prime is 100343339. The reversal of 100343312 is 213343001.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4178 + ... + 14769.

Almost surely, 2^100343312 is an apocalyptic number.

It is an amenable number.

100343312 is a deficient number, since it is larger than the sum of its proper divisors (94669504).

100343312 is a wasteful number, since it uses less digits than its factorization.

100343312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19286 (or 19280 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 17.

The square root of 100343312 is about 10017.1508923446. The cubic root of 100343312 is about 464.6894477086.

Adding to 100343312 its reverse (213343001), we get a palindrome (313686313).

The spelling of 100343312 in words is "one hundred million, three hundred forty-three thousand, three hundred twelve".