1230311300021 has 8 divisors (see below), whose sum is σ = 1270304256000. Its totient is φ = 1190337437520.

The previous prime is 1230311299969. The next prime is 1230311300047. The reversal of 1230311300021 is 1200031130321.

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 1230311300021 - 2²² = 1230307105717 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1230311300321) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4642346 + ... + 4900203.

It is an arithmetic number, because the mean of its divisors is an integer number (158788032000).

Almost surely, 2^{1230311300021} is an apocalyptic number.

It is an amenable number.

1230311300021 is a deficient number, since it is larger than the sum of its proper divisors (39992955979).

1230311300021 is an equidigital number, since it uses as much as digits as its factorization.

1230311300021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9546739.

The product of its (nonzero) digits is 108, while the sum is 17.

Adding to 1230311300021 its reverse (1200031130321), we get a palindrome (2430342430342).

The spelling of 1230311300021 in words is "one trillion, two hundred thirty billion, three hundred eleven million, three hundred thousand, twenty-one".