103311142 has 24 divisors (see below), whose sum is σ = 179595000. Its totient is φ = 44194560.

The previous prime is 103311139. The next prime is 103311149. The reversal of 103311142 is 241113301.

It is a super-2 number, since 2×103311142² = 21346384122688328, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (103311149) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1767 + ... + 14482.

It is an arithmetic number, because the mean of its divisors is an integer number (7483125).

Almost surely, 2^103311142 is an apocalyptic number.

103311142 is a deficient number, since it is larger than the sum of its proper divisors (76283858).

103311142 is a wasteful number, since it uses less digits than its factorization.

103311142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16296 (or 16279 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 16.

The square root of 103311142 is about 10164.2088723127. The cubic root of 103311142 is about 469.2263445265.

Adding to 103311142 its reverse (241113301), we get a palindrome (344424443).

The spelling of 103311142 in words is "one hundred three million, three hundred eleven thousand, one hundred forty-two".