200061531 has 12 divisors (see below), whose sum is σ = 293291752. Its totient is φ = 131383296.

The previous prime is 200061527. The next prime is 200061541. The reversal of 200061531 is 135160002.

200061531 is a `hidden beast` number, since 20 + 0 + 0 + 615 + 31 = 666.

It is not a de Polignac number, because 200061531 - 2² = 200061527 is a prime.

It is a super-2 number, since 2×200061531² = 80049232372127922, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (200061541) 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 11 ways as a sum of consecutive naturals, for example, 165286 + ... + 166491.

Almost surely, 2^200061531 is an apocalyptic number.

200061531 is a deficient number, since it is larger than the sum of its proper divisors (93230221).

200061531 is a wasteful number, since it uses less digits than its factorization.

200061531 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 331850 (or 331847 counting only the distinct ones).

The product of its (nonzero) digits is 180, while the sum is 18.

The square root of 200061531 is about 14144.3109058024. The cubic root of 200061531 is about 584.8635140718.

The spelling of 200061531 in words is "two hundred million, sixty-one thousand, five hundred thirty-one".