103431222 has 32 divisors (see below), whose sum is σ = 230225760. Its totient is φ = 34420320.

The previous prime is 103431217. The next prime is 103431239. The reversal of 103431222 is 222134301.

103431222 is a `hidden beast` number, since 10 + 3 + 431 + 222 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 103431195 and 103431204.

It is a congruent number.

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 15 ways as a sum of consecutive naturals, for example, 43168 + ... + 45500.

It is an arithmetic number, because the mean of its divisors is an integer number (7194555).

Almost surely, 2^103431222 is an apocalyptic number.

103431222 is an abundant number, since it is smaller than the sum of its proper divisors (126794538).

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

103431222 is a wasteful number, since it uses less digits than its factorization.

103431222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3165 (or 3159 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

The square root of 103431222 is about 10170.1141586513. The cubic root of 103431222 is about 469.4080702738.

Adding to 103431222 its reverse (222134301), we get a palindrome (325565523).

The spelling of 103431222 in words is "one hundred three million, four hundred thirty-one thousand, two hundred twenty-two".