1204423120031 has 4 divisors (see below), whose sum is σ = 1204514040000. Its totient is φ = 1204332200064.

The previous prime is 1204423119929. The next prime is 1204423120049. The reversal of 1204423120031 is 1300213244021.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1204423120031 - 2¹⁰ = 1204423119007 is a prime.

It is a super-2 number, since 2×1204423120031² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1204423119979 and 1204423120006.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1204423120231) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 45440111 + ... + 45466608.

It is an arithmetic number, because the mean of its divisors is an integer number (301128510000).

Almost surely, 2^{1204423120031} is an apocalyptic number.

1204423120031 is a deficient number, since it is larger than the sum of its proper divisors (90919969).

1204423120031 is an equidigital number, since it uses as much as digits as its factorization.

1204423120031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 90919968.

The product of its (nonzero) digits is 1152, while the sum is 23.

Adding to 1204423120031 its reverse (1300213244021), we get a palindrome (2504636364052).

The spelling of 1204423120031 in words is "one trillion, two hundred four billion, four hundred twenty-three million, one hundred twenty thousand, thirty-one".