103142312 has 32 divisors (see below), whose sum is σ = 238022400. Its totient is φ = 40803264.

The previous prime is 103142227. The next prime is 103142323. The reversal of 103142312 is 213241301.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 70112 + ... + 71567.

It is an arithmetic number, because the mean of its divisors is an integer number (7438200).

Almost surely, 2^103142312 is an apocalyptic number.

It is an amenable number.

103142312 is an abundant number, since it is smaller than the sum of its proper divisors (134880088).

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

103142312 is a wasteful number, since it uses less digits than its factorization.

103142312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 141705 (or 141701 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 17.

The square root of 103142312 is about 10155.9003539814. The cubic root of 103142312 is about 468.9706035527.

Adding to 103142312 its reverse (213241301), we get a palindrome (316383613).

The spelling of 103142312 in words is "one hundred three million, one hundred forty-two thousand, three hundred twelve".