10203304400031 has 4 divisors (see below), whose sum is σ = 13604405866712. Its totient is φ = 6802202933352.

The previous prime is 10203304399999. The next prime is 10203304400071. The reversal of 10203304400031 is 13000440330201.

10203304400031 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 10203304400031 - 2⁵ = 10203304399999 is a prime.

It is a super-2 number, since 2×10203304400031² (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 = 10203304399980 and 10203304400007.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10203304400071) 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, 1700550733336 + ... + 1700550733341.

It is an arithmetic number, because the mean of its divisors is an integer number (3401101466678).

Almost surely, 2^{10203304400031} is an apocalyptic number.

10203304400031 is a deficient number, since it is larger than the sum of its proper divisors (3401101466681).

10203304400031 is an equidigital number, since it uses as much as digits as its factorization.

10203304400031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3401101466680.

The product of its (nonzero) digits is 864, while the sum is 21.

Adding to 10203304400031 its reverse (13000440330201), we get a palindrome (23203744730232).

The spelling of 10203304400031 in words is "ten trillion, two hundred three billion, three hundred four million, four hundred thousand, thirty-one".