200931539257 has 2 divisors, whose sum is σ = 200931539258. Its totient is φ = 200931539256.

The previous prime is 200931539239. The next prime is 200931539299. The reversal of 200931539257 is 752935139002.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 174459923856 + 26471615401 = 417684^2 + 162701^2 .

It is a cyclic number.

It is not a de Polignac number, because 200931539257 - 2¹⁹ = 200931014969 is a prime.

It is a super-2 number, since 2×200931539257² (a number of 23 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (200931539357) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 100465769628 + 100465769629.

It is an arithmetic number, because the mean of its divisors is an integer number (100465769629).

Almost surely, 2^200931539257 is an apocalyptic number.

It is an amenable number.

200931539257 is a deficient number, since it is larger than the sum of its proper divisors (1).

200931539257 is an equidigital number, since it uses as much as digits as its factorization.

200931539257 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 510300, while the sum is 46.

The spelling of 200931539257 in words is "two hundred billion, nine hundred thirty-one million, five hundred thirty-nine thousand, two hundred fifty-seven".