1331020030 has 16 divisors (see below), whose sum is σ = 2473121664. Its totient is φ = 515233440.

The previous prime is 1331020027. The next prime is 1331020079. The reversal of 1331020030 is 300201331.

It is a super-2 number, since 2×1331020030² = 3543228640522401800, which contains 22 as substring.

It is a congruent number.

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, 2146497 + ... + 2147116.

It is an arithmetic number, because the mean of its divisors is an integer number (154570104).

Almost surely, 2^1331020030 is an apocalyptic number.

1331020030 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1331020030 is a deficient number, since it is larger than the sum of its proper divisors (1142101634).

1331020030 is a wasteful number, since it uses less digits than its factorization.

1331020030 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4293651.

The product of its (nonzero) digits is 54, while the sum is 13.

The square root of 1331020030 is about 36483.1472052508. The cubic root of 1331020030 is about 1100.0055178787.

Adding to 1331020030 its reverse (300201331), we get a palindrome (1631221361).

The spelling of 1331020030 in words is "one billion, three hundred thirty-one million, twenty thousand, thirty".