200156131 has 6 divisors (see below), whose sum is σ = 232834740. Its totient is φ = 171562356.

The previous prime is 200156129. The next prime is 200156141. The reversal of 200156131 is 131651002.

It is not a de Polignac number, because 200156131 - 2¹ = 200156129 is a prime.

It is a super-2 number, since 2×200156131² = 80124953553778322, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 200156099 and 200156108.

It is not an unprimeable number, because it can be changed into a prime (200156101) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2042361 + ... + 2042458.

It is an arithmetic number, because the mean of its divisors is an integer number (38805790).

Almost surely, 2^200156131 is an apocalyptic number.

200156131 is a deficient number, since it is larger than the sum of its proper divisors (32678609).

200156131 is an equidigital number, since it uses as much as digits as its factorization.

200156131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4084833 (or 4084826 counting only the distinct ones).

The product of its (nonzero) digits is 180, while the sum is 19.

The square root of 200156131 is about 14147.6546112774. The cubic root of 200156131 is about 584.9556846651.

The spelling of 200156131 in words is "two hundred million, one hundred fifty-six thousand, one hundred thirty-one".