200146631 has 2 divisors, whose sum is σ = 200146632. Its totient is φ = 200146630.

The previous prime is 200146607. The next prime is 200146643. The reversal of 200146631 is 136641002.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 200146631 - 2⁶ = 200146567 is a prime.

It is a super-2 number, since 2×200146631² = 80117347801300322, which contains 22 as substring.

It is a Sophie Germain prime.

It is a junction number, because it is equal to n+sod(n) for n = 200146597 and 200146606.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (200146601) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 100073315 + 100073316.

It is an arithmetic number, because the mean of its divisors is an integer number (100073316).

Almost surely, 2^200146631 is an apocalyptic number.

200146631 is a deficient number, since it is larger than the sum of its proper divisors (1).

200146631 is an equidigital number, since it uses as much as digits as its factorization.

200146631 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 864, while the sum is 23.

The square root of 200146631 is about 14147.3188625973. The cubic root of 200146631 is about 584.9464299450.

Adding to 200146631 its reverse (136641002), we get a palindrome (336787633).

The spelling of 200146631 in words is "two hundred million, one hundred forty-six thousand, six hundred thirty-one".