211432130 has 64 divisors (see below), whose sum is σ = 470631168. Its totient is φ = 66597120.

The previous prime is 211432103. The next prime is 211432181. The reversal of 211432130 is 31234112.

It is a junction number, because it is equal to n+sod(n) for n = 211432099 and 211432108.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 257120 + ... + 257940.

It is an arithmetic number, because the mean of its divisors is an integer number (7353612).

Almost surely, 2^211432130 is an apocalyptic number.

211432130 is an abundant number, since it is smaller than the sum of its proper divisors (259199038).

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

211432130 is a wasteful number, since it uses less digits than its factorization.

211432130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1131.

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

The square root of 211432130 is about 14540.7059663553. The cubic root of 211432130 is about 595.7403208628.

Adding to 211432130 its reverse (31234112), we get a palindrome (242666242).

The spelling of 211432130 in words is "two hundred eleven million, four hundred thirty-two thousand, one hundred thirty".