103551312 has 20 divisors (see below), whose sum is σ = 267507680. Its totient is φ = 34517088.

The previous prime is 103551269. The next prime is 103551317. The reversal of 103551312 is 213155301.

It is a super-3 number, since 3×103551312³ (a number of 25 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (103551317) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1078612 + ... + 1078707.

It is an arithmetic number, because the mean of its divisors is an integer number (13375384).

Almost surely, 2^103551312 is an apocalyptic number.

103551312 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

103551312 is an abundant number, since it is smaller than the sum of its proper divisors (163956368).

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

103551312 is a wasteful number, since it uses less digits than its factorization.

103551312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2157330 (or 2157324 counting only the distinct ones).

The product of its (nonzero) digits is 450, while the sum is 21.

The square root of 103551312 is about 10176.0165094206. The cubic root of 103551312 is about 469.5896705402.

The spelling of 103551312 in words is "one hundred three million, five hundred fifty-one thousand, three hundred twelve".