1233130306 has 4 divisors (see below), whose sum is σ = 1849695462. Its totient is φ = 616565152.

The previous prime is 1233130273. The next prime is 1233130313. The reversal of 1233130306 is 6030313321.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 6030313321 = 17 ⋅354724313.

It can be written as a sum of positive squares in only one way, i.e., 1233063225 + 67081 = 35115^2 + 259^2 .

It is a super-2 number, since 2×1233130306² = 3041220703151307272, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 308282575 + ... + 308282578.

Almost surely, 2^1233130306 is an apocalyptic number.

1233130306 is a deficient number, since it is larger than the sum of its proper divisors (616565156).

1233130306 is an equidigital number, since it uses as much as digits as its factorization.

1233130306 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 616565155.

The product of its (nonzero) digits is 972, while the sum is 22.

The square root of 1233130306 is about 35115.9551486215. The cubic root of 1233130306 is about 1072.3494262850.

Adding to 1233130306 its reverse (6030313321), we get a palindrome (7263443627).

The spelling of 1233130306 in words is "one billion, two hundred thirty-three million, one hundred thirty thousand, three hundred six".