1331302130 has 96 divisors (see below), whose sum is σ = 2721852720. Its totient is φ = 466636800.

The previous prime is 1331302121. The next prime is 1331302153. The reversal of 1331302130 is 312031331.

It can be written as a sum of positive squares in 8 ways, for example, as 898620529 + 432681601 = 29977^2 + 20801^2 .

It is a super-2 number, since 2×1331302130² = 3544730722685073800, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (17).

It is a junction number, because it is equal to n+sod(n) for n = 1331302099 and 1331302108.

It is a congruent number.

It is an unprimeable number.

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 47 ways as a sum of consecutive naturals, for example, 4737590 + ... + 4737870.

Almost surely, 2^1331302130 is an apocalyptic number.

1331302130 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1331302130 is an abundant number, since it is smaller than the sum of its proper divisors (1390550590).

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

1331302130 is a wasteful number, since it uses less digits than its factorization.

1331302130 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 396 (or 365 counting only the distinct ones).

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

The square root of 1331302130 is about 36487.0131690715. The cubic root of 1331302130 is about 1100.0832251081.

Adding to 1331302130 its reverse (312031331), we get a palindrome (1643333461).

The spelling of 1331302130 in words is "one billion, three hundred thirty-one million, three hundred two thousand, one hundred thirty".