1331331030 has 48 divisors (see below), whose sum is σ = 3665080224. Its totient is φ = 334137600.

The previous prime is 1331330999. The next prime is 1331331061. The reversal of 1331331030 is 301331331.

1331331030 is a `hidden beast` number, since 1 + 331 + 331 + 0 + 3 + 0 = 666.

It is an interprime number because it is at equal distance from previous prime (1331330999) and next prime (1331331061).

It is a super-2 number, since 2×1331331030² = 3544884622881721800, which contains 22 as substring.

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

It is a junction number, because it is equal to n+sod(n) for n = 1331330994 and 1331331012.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 433546 + ... + 436605.

It is an arithmetic number, because the mean of its divisors is an integer number (76355838).

Almost surely, 2^1331331030 is an apocalyptic number.

1331331030 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1331331030 is an abundant number, since it is smaller than the sum of its proper divisors (2333749194).

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

1331331030 is a wasteful number, since it uses less digits than its factorization.

1331331030 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 870181 (or 870178 counting only the distinct ones).

The product of its (nonzero) digits is 243, while the sum is 18.

The square root of 1331331030 is about 36487.4091982426. The cubic root of 1331331030 is about 1100.0911852784.

Adding to 1331331030 its reverse (301331331), we get a palindrome (1632662361).

The spelling of 1331331030 in words is "one billion, three hundred thirty-one million, three hundred thirty-one thousand, thirty".