10203120102331 has 4 divisors (see below), whose sum is σ = 10987975494832. Its totient is φ = 9418264709832.

The previous prime is 10203120102289. The next prime is 10203120102341. The reversal of 10203120102331 is 13320102130201.

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 10203120102331 - 2²⁷ = 10202985884603 is a prime.

It is a super-2 number, since 2×10203120102331² (a number of 27 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 = 10203120102299 and 10203120102308.

It is not an unprimeable number, because it can be changed into a prime (10203120102341) 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, 392427696231 + ... + 392427696256.

It is an arithmetic number, because the mean of its divisors is an integer number (2746993873708).

Almost surely, 2^{10203120102331} is an apocalyptic number.

10203120102331 is a deficient number, since it is larger than the sum of its proper divisors (784855392501).

10203120102331 is an equidigital number, since it uses as much as digits as its factorization.

10203120102331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 784855392500.

The product of its (nonzero) digits is 216, while the sum is 19.

Adding to 10203120102331 its reverse (13320102130201), we get a palindrome (23523222232532).

The spelling of 10203120102331 in words is "ten trillion, two hundred three billion, one hundred twenty million, one hundred two thousand, three hundred thirty-one".