1230012331 has 8 divisors (see below), whose sum is σ = 1302649344. Its totient is φ = 1158971880.

The previous prime is 1230012319. The next prime is 1230012337. The reversal of 1230012331 is 1332100321.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1230012331 - 2⁵ = 1230012299 is a prime.

It is a super-2 number, since 2×1230012331² = 3025860668824107122, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1230012337) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 397555 + ... + 400636.

It is an arithmetic number, because the mean of its divisors is an integer number (162831168).

Almost surely, 2^1230012331 is an apocalyptic number.

1230012331 is a deficient number, since it is larger than the sum of its proper divisors (72637013).

1230012331 is an equidigital number, since it uses as much as digits as its factorization.

1230012331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 798281.

The product of its (nonzero) digits is 108, while the sum is 16.

The square root of 1230012331 is about 35071.5316317950. The cubic root of 1230012331 is about 1071.4448501510. Note that the first 3 decimals are identical.

Adding to 1230012331 its reverse (1332100321), we get a palindrome (2562112652).

The spelling of 1230012331 in words is "one billion, two hundred thirty million, twelve thousand, three hundred thirty-one".