10203343311 has 16 divisors (see below), whose sum is σ = 16366265600. Its totient is φ = 5523614208.

The previous prime is 10203343261. The next prime is 10203343393. The reversal of 10203343311 is 11334330201.

It is not a de Polignac number, because 10203343311 - 2¹⁸ = 10203081167 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10203343811) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 12785746 + ... + 12786543.

It is an arithmetic number, because the mean of its divisors is an integer number (1022891600).

Almost surely, 2^10203343311 is an apocalyptic number.

10203343311 is a deficient number, since it is larger than the sum of its proper divisors (6162922289).

10203343311 is a wasteful number, since it uses less digits than its factorization.

10203343311 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25572318.

The product of its (nonzero) digits is 648, while the sum is 21.

Adding to 10203343311 its reverse (11334330201), we get a palindrome (21537673512).

The spelling of 10203343311 in words is "ten billion, two hundred three million, three hundred forty-three thousand, three hundred eleven".