203130223331 has 32 divisors (see below), whose sum is σ = 241429579776. Its totient is φ = 167285664000.

The previous prime is 203130223301. The next prime is 203130223333. The reversal of 203130223331 is 133322031302.

It is not a de Polignac number, because 203130223331 - 2¹⁰ = 203130222307 is a prime.

It is a super-2 number, since 2×203130223331² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 203130223297 and 203130223306.

It is not an unprimeable number, because it can be changed into a prime (203130223333) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 20025521 + ... + 20035661.

It is an arithmetic number, because the mean of its divisors is an integer number (7544674368).

Almost surely, 2^203130223331 is an apocalyptic number.

203130223331 is a deficient number, since it is larger than the sum of its proper divisors (38299356445).

203130223331 is a wasteful number, since it uses less digits than its factorization.

203130223331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11243.

The product of its (nonzero) digits is 1944, while the sum is 23.

Adding to 203130223331 its reverse (133322031302), we get a palindrome (336452254633).

The spelling of 203130223331 in words is "two hundred three billion, one hundred thirty million, two hundred twenty-three thousand, three hundred thirty-one".