1331023080 has 64 divisors (see below), whose sum is σ = 4078045440. Its totient is φ = 347386112.

The previous prime is 1331023061. The next prime is 1331023103. The reversal of 1331023080 is 803201331.

It is a happy 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 15 ways as a sum of consecutive naturals, for example, 112359 + ... + 123638.

It is an arithmetic number, because the mean of its divisors is an integer number (63719460).

Almost surely, 2^1331023080 is an apocalyptic number.

1331023080 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1331023080 is an abundant number, since it is smaller than the sum of its proper divisors (2747022360).

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

1331023080 is a wasteful number, since it uses less digits than its factorization.

1331023080 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 236058 (or 236054 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 21.

The square root of 1331023080 is about 36483.1890053488. The cubic root of 1331023080 is about 1100.0063580900.

The spelling of 1331023080 in words is "one billion, three hundred thirty-one million, twenty-three thousand, eighty".