103406312 has 16 divisors (see below), whose sum is σ = 194894340. Its totient is φ = 51434496.

The previous prime is 103406311. The next prime is 103406327. The reversal of 103406312 is 213604301.

It can be written as a sum of positive squares in 2 ways, for example, as 95374756 + 8031556 = 9766^2 + 2834^2 .

It is a super-2 number, since 2×103406312² = 21385730722882688, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (103406311) 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, 31943 + ... + 35030.

Almost surely, 2^103406312 is an apocalyptic number.

It is an amenable number.

103406312 is a deficient number, since it is larger than the sum of its proper divisors (91488028).

103406312 is a wasteful number, since it uses less digits than its factorization.

103406312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 67172 (or 67168 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 20.

The square root of 103406312 is about 10168.8894182207. The cubic root of 103406312 is about 469.3703837364.

The spelling of 103406312 in words is "one hundred three million, four hundred six thousand, three hundred twelve".