1231214230 has 16 divisors (see below), whose sum is σ = 2220980544. Its totient is φ = 491420160.

The previous prime is 1231214203. The next prime is 1231214251. The reversal of 1231214230 is 324121321.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 1231214198 and 1231214207.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 128331 + ... + 137590.

It is an arithmetic number, because the mean of its divisors is an integer number (138811284).

Almost surely, 2^1231214230 is an apocalyptic number.

1231214230 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1231214230 is a deficient number, since it is larger than the sum of its proper divisors (989766314).

1231214230 is a wasteful number, since it uses less digits than its factorization.

1231214230 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 266391.

The product of its (nonzero) digits is 288, while the sum is 19.

The square root of 1231214230 is about 35088.6624139479. The cubic root of 1231214230 is about 1071.7937217961.

Adding to 1231214230 its reverse (324121321), we get a palindrome (1555335551).

The spelling of 1231214230 in words is "one billion, two hundred thirty-one million, two hundred fourteen thousand, two hundred thirty".