210031013203 has 4 divisors (see below), whose sum is σ = 229124741688. Its totient is φ = 190937284720.

The previous prime is 210031013197. The next prime is 210031013221. The reversal of 210031013203 is 302310130012.

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 210031013203 - 2³⁷ = 72592059731 is a prime.

It is a super-2 number, since 2×210031013203² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (210031013243) 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, 9546864226 + ... + 9546864247.

It is an arithmetic number, because the mean of its divisors is an integer number (57281185422).

Almost surely, 2^210031013203 is an apocalyptic number.

210031013203 is a deficient number, since it is larger than the sum of its proper divisors (19093728485).

210031013203 is a wasteful number, since it uses less digits than its factorization.

210031013203 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19093728484.

The product of its (nonzero) digits is 108, while the sum is 16.

Adding to 210031013203 its reverse (302310130012), we get a palindrome (512341143215).

The spelling of 210031013203 in words is "two hundred ten billion, thirty-one million, thirteen thousand, two hundred three".