1230313311 has 12 divisors (see below), whose sum is σ = 1801464288. Its totient is φ = 808972704.

The previous prime is 1230313283. The next prime is 1230313339. The reversal of 1230313311 is 1133130321.

It is a happy number.

1230313311 is a `hidden beast` number, since 12 + 30 + 313 + 311 = 666.

It is an interprime number because it is at equal distance from previous prime (1230313283) and next prime (1230313339).

It is not a de Polignac number, because 1230313311 - 2⁶ = 1230313247 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1230313391) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 935655 + ... + 936968.

It is an arithmetic number, because the mean of its divisors is an integer number (150122024).

Almost surely, 2^1230313311 is an apocalyptic number.

1230313311 is a deficient number, since it is larger than the sum of its proper divisors (571150977).

1230313311 is a wasteful number, since it uses less digits than its factorization.

1230313311 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1872702 (or 1872699 counting only the distinct ones).

The product of its (nonzero) digits is 162, while the sum is 18.

The square root of 1230313311 is about 35075.8223139530. The cubic root of 1230313311 is about 1071.5322360421.

Adding to 1230313311 its reverse (1133130321), we get a palindrome (2363443632).

The spelling of 1230313311 in words is "one billion, two hundred thirty million, three hundred thirteen thousand, three hundred eleven".