203131120219 has 2 divisors, whose sum is σ = 203131120220. Its totient is φ = 203131120218.

The previous prime is 203131120207. The next prime is 203131120277. The reversal of 203131120219 is 912021131302.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 203131120219 - 2²⁵ = 203097565787 is a prime.

It is a super-2 number, since 2×203131120219² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 203131120193 and 203131120202.

It is not a weakly prime, because it can be changed into another prime (203131120289) 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 as a sum of consecutive naturals, namely, 101565560109 + 101565560110.

It is an arithmetic number, because the mean of its divisors is an integer number (101565560110).

Almost surely, 2^203131120219 is an apocalyptic number.

203131120219 is a deficient number, since it is larger than the sum of its proper divisors (1).

203131120219 is an equidigital number, since it uses as much as digits as its factorization.

203131120219 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 648, while the sum is 25.

The spelling of 203131120219 in words is "two hundred three billion, one hundred thirty-one million, one hundred twenty thousand, two hundred nineteen".