200020031031 has 16 divisors (see below), whose sum is σ = 271630195200. Its totient is φ = 130899835968.

The previous prime is 200020031023. The next prime is 200020031041. The reversal of 200020031031 is 130130020002.

It is a happy number.

It is not a de Polignac number, because 200020031031 - 2³ = 200020031023 is a prime.

It is a super-2 number, since 2×200020031031² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 200020030998 and 200020031016.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (200020031011) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2657631 + ... + 2731856.

It is an arithmetic number, because the mean of its divisors is an integer number (16976887200).

Almost surely, 2^200020031031 is an apocalyptic number.

200020031031 is a deficient number, since it is larger than the sum of its proper divisors (71610164169).

200020031031 is a wasteful number, since it uses less digits than its factorization.

200020031031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5389718.

The product of its (nonzero) digits is 36, while the sum is 12.

Adding to 200020031031 its reverse (130130020002), we get a palindrome (330150051033).

The spelling of 200020031031 in words is "two hundred billion, twenty million, thirty-one thousand, thirty-one".