206151250531 has 2 divisors, whose sum is σ = 206151250532. Its totient is φ = 206151250530.

The previous prime is 206151250463. The next prime is 206151250537. The reversal of 206151250531 is 135052151602.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 206151250531 - 2¹⁷ = 206151119459 is a prime.

It is a super-2 number, since 2×206151250531² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 206151250493 and 206151250502.

It is not a weakly prime, because it can be changed into another prime (206151250537) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 103075625265 + 103075625266.

It is an arithmetic number, because the mean of its divisors is an integer number (103075625266).

Almost surely, 2^206151250531 is an apocalyptic number.

206151250531 is a deficient number, since it is larger than the sum of its proper divisors (1).

206151250531 is an equidigital number, since it uses as much as digits as its factorization.

206151250531 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 9000, while the sum is 31.

The spelling of 206151250531 in words is "two hundred six billion, one hundred fifty-one million, two hundred fifty thousand, five hundred thirty-one".