1220314231 has 2 divisors, whose sum is σ = 1220314232. Its totient is φ = 1220314230.

The previous prime is 1220314181. The next prime is 1220314253. The reversal of 1220314231 is 1324130221.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1220314231 - 2¹⁹ = 1219789943 is a prime.

It is a super-2 number, since 2×1220314231² = 2978333644762242722, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1220314199 and 1220314208.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1220314031) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 610157115 + 610157116.

It is an arithmetic number, because the mean of its divisors is an integer number (610157116).

Almost surely, 2^1220314231 is an apocalyptic number.

1220314231 is a deficient number, since it is larger than the sum of its proper divisors (1).

1220314231 is an equidigital number, since it uses as much as digits as its factorization.

1220314231 is an odious number, because the sum of its binary digits is odd.

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

The square root of 1220314231 is about 34932.9963072165. The cubic root of 1220314231 is about 1068.6214613900.

Adding to 1220314231 its reverse (1324130221), we get a palindrome (2544444452).

The spelling of 1220314231 in words is "one billion, two hundred twenty million, three hundred fourteen thousand, two hundred thirty-one".