1311233050 has 12 divisors (see below), whose sum is σ = 2438893566. Its totient is φ = 524493200.

The previous prime is 1311233023. The next prime is 1311233107. The reversal of 1311233050 is 503321131.

It can be written as a sum of positive squares in 3 ways, for example, as 808890481 + 502342569 = 28441^2 + 22413^2 .

It is a super-3 number, since 3×1311233050³ (a number of 28 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 13112281 + ... + 13112380.

Almost surely, 2^1311233050 is an apocalyptic number.

1311233050 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1311233050 is a deficient number, since it is larger than the sum of its proper divisors (1127660516).

1311233050 is a wasteful number, since it uses less digits than its factorization.

1311233050 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26224673 (or 26224668 counting only the distinct ones).

The product of its (nonzero) digits is 270, while the sum is 19.

The square root of 1311233050 is about 36210.9520725429. The cubic root of 1311233050 is about 1094.5273774743.

Adding to 1311233050 its reverse (503321131), we get a palindrome (1814554181).

The spelling of 1311233050 in words is "one billion, three hundred eleven million, two hundred thirty-three thousand, fifty".