103402312 has 24 divisors (see below), whose sum is σ = 209943090. Its totient is φ = 47723520.

The previous prime is 103402307. The next prime is 103402357. The reversal of 103402312 is 213204301.

It is a happy number.

It can be written as a sum of positive squares in 3 ways, for example, as 17023876 + 86378436 = 4126^2 + 9294^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 36889 + ... + 39592.

Almost surely, 2^103402312 is an apocalyptic number.

It is an amenable number.

103402312 is an abundant number, since it is smaller than the sum of its proper divisors (106540778).

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

103402312 is a wasteful number, since it uses less digits than its factorization.

103402312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 76513 (or 76496 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 16.

The square root of 103402312 is about 10168.6927380072. The cubic root of 103402312 is about 469.3643315406.

Adding to 103402312 its reverse (213204301), we get a palindrome (316606613).

The spelling of 103402312 in words is "one hundred three million, four hundred two thousand, three hundred twelve".