103218630 has 16 divisors (see below), whose sum is σ = 247724784. Its totient is φ = 27524960.

The previous prime is 103218629. The next prime is 103218631. The reversal of 103218630 is 36812301.

It is an interprime number because it is at equal distance from previous prime (103218629) and next prime (103218631).

It is a self number, because there is not a number n which added to its sum of digits gives 103218630.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (103218631) 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, 1720281 + ... + 1720340.

It is an arithmetic number, because the mean of its divisors is an integer number (15482799).

Almost surely, 2^103218630 is an apocalyptic number.

103218630 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

103218630 is an abundant number, since it is smaller than the sum of its proper divisors (144506154).

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

103218630 is a wasteful number, since it uses less digits than its factorization.

103218630 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3440631.

The product of its (nonzero) digits is 864, while the sum is 24.

The square root of 103218630 is about 10159.6569823986. The cubic root of 103218630 is about 469.0862433707.

The spelling of 103218630 in words is "one hundred three million, two hundred eighteen thousand, six hundred thirty".