1230001331 has 16 divisors (see below), whose sum is σ = 1383903360. Its totient is φ = 1085347200.

The previous prime is 1230001321. The next prime is 1230001351. The reversal of 1230001331 is 1331000321.

It is a cyclic number.

It is not a de Polignac number, because 1230001331 - 2¹⁰ = 1230000307 is a prime.

It is a super-2 number, since 2×1230001331² = 3025806548523543122, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1230001321) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 21926 + ... + 54228.

It is an arithmetic number, because the mean of its divisors is an integer number (86493960).

Almost surely, 2^1230001331 is an apocalyptic number.

1230001331 is a deficient number, since it is larger than the sum of its proper divisors (153902029).

1230001331 is a wasteful number, since it uses less digits than its factorization.

1230001331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32446.

The product of its (nonzero) digits is 54, while the sum is 14.

The square root of 1230001331 is about 35071.3748090947. The cubic root of 1230001331 is about 1071.4416561644.

Adding to 1230001331 its reverse (1331000321), we get a palindrome (2561001652).

The spelling of 1230001331 in words is "one billion, two hundred thirty million, one thousand, three hundred thirty-one".