103420312 has 32 divisors (see below), whose sum is σ = 196868880. Its totient is φ = 50928640.

The previous prime is 103420297. The next prime is 103420313. The reversal of 103420312 is 213024301.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (103420313) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 210387 + ... + 210877.

Almost surely, 2^103420312 is an apocalyptic number.

It is an amenable number.

103420312 is a deficient number, since it is larger than the sum of its proper divisors (93448568).

103420312 is a wasteful number, since it uses less digits than its factorization.

103420312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 843 (or 839 counting only the distinct ones).

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

The square root of 103420312 is about 10169.5777690128. The cubic root of 103420312 is about 469.3915651927.

Adding to 103420312 its reverse (213024301), we get a palindrome (316444613).

The spelling of 103420312 in words is "one hundred three million, four hundred twenty thousand, three hundred twelve".