211230419 has 4 divisors (see below), whose sum is σ = 211645920. Its totient is φ = 210814920.

The previous prime is 211230407. The next prime is 211230433. The reversal of 211230419 is 914032112.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-211230419 is a prime.

It is a super-2 number, since 2×211230419² = 89236579821831122, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 211230394 and 211230403.

It is not an unprimeable number, because it can be changed into a prime (211230449) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 206987 + ... + 208004.

It is an arithmetic number, because the mean of its divisors is an integer number (52911480).

Almost surely, 2^211230419 is an apocalyptic number.

211230419 is a deficient number, since it is larger than the sum of its proper divisors (415501).

211230419 is an equidigital number, since it uses as much as digits as its factorization.

211230419 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 415500.

The product of its (nonzero) digits is 432, while the sum is 23.

The square root of 211230419 is about 14533.7682312606. The cubic root of 211230419 is about 595.5508107030.

The spelling of 211230419 in words is "two hundred eleven million, two hundred thirty thousand, four hundred nineteen".