103312137 has 8 divisors (see below), whose sum is σ = 138078400. Its totient is φ = 68710320.

The previous prime is 103312133. The next prime is 103312151. The reversal of 103312137 is 731213301.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 103312137 - 2² = 103312133 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (103312133) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 39637 + ... + 42162.

It is an arithmetic number, because the mean of its divisors is an integer number (17259800).

Almost surely, 2^103312137 is an apocalyptic number.

It is an amenable number.

103312137 is a deficient number, since it is larger than the sum of its proper divisors (34766263).

103312137 is an equidigital number, since it uses as much as digits as its factorization.

103312137 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 82223.

The product of its (nonzero) digits is 378, while the sum is 21.

The square root of 103312137 is about 10164.2578184538. The cubic root of 103312137 is about 469.2278509104.

Adding to 103312137 its reverse (731213301), we get a palindrome (834525438).

The spelling of 103312137 in words is "one hundred three million, three hundred twelve thousand, one hundred thirty-seven".