203131003120212 has 24 divisors (see below), whose sum is σ = 474010134788512. Its totient is φ = 67704935205600.

The previous prime is 203131003120099. The next prime is 203131003120219. The reversal of 203131003120212 is 212021300131302.

It is a super-3 number, since 3×203131003120212³ (a number of 44 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (203131003120219) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 674739214 + ... + 675040197.

Almost surely, 2^{203131003120212} is an apocalyptic number.

It is an amenable number.

203131003120212 is an abundant number, since it is smaller than the sum of its proper divisors (270879131668300).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

203131003120212 is a wasteful number, since it uses less digits than its factorization.

203131003120212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1349791959 (or 1349791957 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 21.

Adding to 203131003120212 its reverse (212021300131302), we get a palindrome (415152303251514).

The spelling of 203131003120212 in words is "two hundred three trillion, one hundred thirty-one billion, three million, one hundred twenty thousand, two hundred twelve".