200020002031 has 2 divisors, whose sum is σ = 200020002032. Its totient is φ = 200020002030.

The previous prime is 200020002023. The next prime is 200020002073. The reversal of 200020002031 is 130200020002.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 200020002031 - 2³ = 200020002023 is a prime.

It is a super-2 number, since 2×200020002031² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 200020001999 and 200020002017.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (200020002011) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 100010001015 + 100010001016.

It is an arithmetic number, because the mean of its divisors is an integer number (100010001016).

Almost surely, 2^200020002031 is an apocalyptic number.

200020002031 is a deficient number, since it is larger than the sum of its proper divisors (1).

200020002031 is an equidigital number, since it uses as much as digits as its factorization.

200020002031 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 24, while the sum is 10.

Adding to 200020002031 its reverse (130200020002), we get a palindrome (330220022033).

The spelling of 200020002031 in words is "two hundred billion, twenty million, two thousand, thirty-one".