1331203130 has 16 divisors (see below), whose sum is σ = 2396618280. Its totient is φ = 532380672.

The previous prime is 1331203127. The next prime is 1331203141. The reversal of 1331203130 is 313021331.

It can be written as a sum of positive squares in 4 ways, for example, as 233142361 + 1098060769 = 15269^2 + 33137^2 .

It is a junction number, because it is equal to n+sod(n) for n = 1331203099 and 1331203108.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 66986 + ... + 84554.

Almost surely, 2^1331203130 is an apocalyptic number.

1331203130 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1331203130 is a deficient number, since it is larger than the sum of its proper divisors (1065415150).

1331203130 is a wasteful number, since it uses less digits than its factorization.

1331203130 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25153.

The product of its (nonzero) digits is 162, while the sum is 17.

The square root of 1331203130 is about 36485.6564967660. The cubic root of 1331203130 is about 1100.0559558312.

Adding to 1331203130 its reverse (313021331), we get a palindrome (1644224461).

The spelling of 1331203130 in words is "one billion, three hundred thirty-one million, two hundred three thousand, one hundred thirty".