200731129 has 8 divisors (see below), whose sum is σ = 206601408. Its totient is φ = 194945520.

The previous prime is 200731123. The next prime is 200731147. The reversal of 200731129 is 921137002.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 200731129 - 2⁹ = 200730617 is a prime.

It is a super-2 number, since 2×200731129² = 80585972299229282, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (200731123) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16342 + ... + 25855.

It is an arithmetic number, because the mean of its divisors is an integer number (25825176).

Almost surely, 2^200731129 is an apocalyptic number.

It is an amenable number.

200731129 is a deficient number, since it is larger than the sum of its proper divisors (5870279).

200731129 is an equidigital number, since it uses as much as digits as its factorization.

200731129 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42335.

The product of its (nonzero) digits is 756, while the sum is 25.

The square root of 200731129 is about 14167.9613565255. The cubic root of 200731129 is about 585.5152924387.

The spelling of 200731129 in words is "two hundred million, seven hundred thirty-one thousand, one hundred twenty-nine".