204111402363031 has 4 divisors (see below), whose sum is σ = 204582791283472. Its totient is φ = 203640013442592.

The previous prime is 204111402362999. The next prime is 204111402363059. The reversal of 204111402363031 is 130363204111402.

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 204111402363031 - 2⁵ = 204111402362999 is a prime.

It is a super-2 number, since 2×204111402363031² (a number of 29 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 = 204111402362984 and 204111402363002.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (204111402763031) 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, 235694459571 + ... + 235694460436.

It is an arithmetic number, because the mean of its divisors is an integer number (51145697820868).

Almost surely, 2^{204111402363031} is an apocalyptic number.

204111402363031 is a deficient number, since it is larger than the sum of its proper divisors (471388920441).

204111402363031 is an equidigital number, since it uses as much as digits as its factorization.

204111402363031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 471388920440.

The product of its (nonzero) digits is 10368, while the sum is 31.

Adding to 204111402363031 its reverse (130363204111402), we get a palindrome (334474606474433).

The spelling of 204111402363031 in words is "two hundred four trillion, one hundred eleven billion, four hundred two million, three hundred sixty-three thousand, thirty-one".