1331113050 has 72 divisors (see below), whose sum is σ = 3699612540. Its totient is φ = 342720000.

The previous prime is 1331113019. The next prime is 1331113051. The reversal of 1331113050 is 503111331.

It can be written as a sum of positive squares in 6 ways, for example, as 175589001 + 1155524049 = 13251^2 + 33993^2 .

It is a Harshad number since it is a multiple of its sum of digits (18).

It is not an unprimeable number, because it can be changed into a prime (1331113051) 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 35 ways as a sum of consecutive naturals, for example, 37951 + ... + 64050.

Almost surely, 2^1331113050 is an apocalyptic number.

1331113050 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1331113050 is an abundant number, since it is smaller than the sum of its proper divisors (2368499490).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1331113050 is a wasteful number, since it uses less digits than its factorization.

1331113050 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 102048 (or 102040 counting only the distinct ones).

The product of its (nonzero) digits is 135, while the sum is 18.

The square root of 1331113050 is about 36484.4220181710. The cubic root of 1331113050 is about 1100.0311423690.

Adding to 1331113050 its reverse (503111331), we get a palindrome (1834224381).

It can be divided in two parts, 133111 and 3050, that added together give a square (136161 = 369²).

The spelling of 1331113050 in words is "one billion, three hundred thirty-one million, one hundred thirteen thousand, fifty".