200113031 has 2 divisors, whose sum is σ = 200113032. Its totient is φ = 200113030.

The previous prime is 200113009. The next prime is 200113049. The reversal of 200113031 is 130311002.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-200113031 is a prime.

It is a super-2 number, since 2×200113031² = 80090450352013922, which contains 22 as substring.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (200113061) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 100056515 + 100056516.

It is an arithmetic number, because the mean of its divisors is an integer number (100056516).

Almost surely, 2^200113031 is an apocalyptic number.

200113031 is a deficient number, since it is larger than the sum of its proper divisors (1).

200113031 is an equidigital number, since it uses as much as digits as its factorization.

200113031 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 18, while the sum is 11.

The square root of 200113031 is about 14146.1313085946. The cubic root of 200113031 is about 584.9136951114.

Adding to 200113031 its reverse (130311002), we get a palindrome (330424033).

It can be divided in two parts, 2001 and 13031, that multiplied together give a triangular number (26075031 = T₇₂₂₁).

The spelling of 200113031 in words is "two hundred million, one hundred thirteen thousand, thirty-one".