103211130 has 128 divisors (see below), whose sum is σ = 283668480. Its totient is φ = 23811840.

The previous prime is 103211117. The next prime is 103211153. The reversal of 103211130 is 31112301.

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 63 ways as a sum of consecutive naturals, for example, 964537 + ... + 964643.

It is an arithmetic number, because the mean of its divisors is an integer number (2216160).

Almost surely, 2^103211130 is an apocalyptic number.

103211130 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 103211130, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (141834240).

103211130 is an abundant number, since it is smaller than the sum of its proper divisors (180457350).

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

103211130 is a wasteful number, since it uses less digits than its factorization.

103211130 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 244.

The product of its (nonzero) digits is 18, while the sum is 12.

The square root of 103211130 is about 10159.2878687436. The cubic root of 103211130 is about 469.0748816232.

Adding to 103211130 its reverse (31112301), we get a palindrome (134323431).

The spelling of 103211130 in words is "one hundred three million, two hundred eleven thousand, one hundred thirty".