1231033210421 has 8 divisors (see below), whose sum is σ = 1455408721920. Its totient is φ = 1018786105008.

The previous prime is 1231033210417. The next prime is 1231033210499. The reversal of 1231033210421 is 1240123301321.

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

It is not a de Polignac number, because 1231033210421 - 2² = 1231033210417 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 (1231033210411) 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, 3032101301 + ... + 3032101706.

It is an arithmetic number, because the mean of its divisors is an integer number (181926090240).

Almost surely, 2^{1231033210421} is an apocalyptic number.

It is an amenable number.

1231033210421 is a deficient number, since it is larger than the sum of its proper divisors (224375511499).

1231033210421 is an equidigital number, since it uses as much as digits as its factorization.

1231033210421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6064203043.

The product of its (nonzero) digits is 864, while the sum is 23.

Adding to 1231033210421 its reverse (1240123301321), we get a palindrome (2471156511742).

The spelling of 1231033210421 in words is "one trillion, two hundred thirty-one billion, thirty-three million, two hundred ten thousand, four hundred twenty-one".