203030000310331 has 4 divisors (see below), whose sum is σ = 203030117510512. Its totient is φ = 203029883110152.

The previous prime is 203030000310287. The next prime is 203030000310349. The reversal of 203030000310331 is 133013000030302.

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 203030000310331 - 2²⁹ = 203029463439419 is a prime.

It is a super-2 number, since 2×203030000310331² (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 = 203030000310299 and 203030000310308.

It is not an unprimeable number, because it can be changed into a prime (203030060310331) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 55962000 + ... + 59479453.

It is an arithmetic number, because the mean of its divisors is an integer number (50757529377628).

Almost surely, 2^{203030000310331} is an apocalyptic number.

203030000310331 is a deficient number, since it is larger than the sum of its proper divisors (117200181).

203030000310331 is a wasteful number, since it uses less digits than its factorization.

203030000310331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 117200180.

The product of its (nonzero) digits is 486, while the sum is 19.

Adding to 203030000310331 its reverse (133013000030302), we get a palindrome (336043000340633).

The spelling of 203030000310331 in words is "two hundred three trillion, thirty billion, three hundred ten thousand, three hundred thirty-one".