102200531 has 2 divisors, whose sum is σ = 102200532. Its totient is φ = 102200530.

The previous prime is 102200519. The next prime is 102200533. The reversal of 102200531 is 135002201.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-102200531 is a prime.

It is a super-2 number, since 2×102200531² = 20889897073363922, which contains 22 as substring.

It is a Sophie Germain prime.

Together with 102200533, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (102200533) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 51100265 + 51100266.

It is an arithmetic number, because the mean of its divisors is an integer number (51100266).

Almost surely, 2^102200531 is an apocalyptic number.

102200531 is a deficient number, since it is larger than the sum of its proper divisors (1).

102200531 is an equidigital number, since it uses as much as digits as its factorization.

102200531 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 60, while the sum is 14.

The square root of 102200531 is about 10109.4278275281. The cubic root of 102200531 is about 467.5388641468.

Adding to 102200531 its reverse (135002201), we get a palindrome (237202732).

The spelling of 102200531 in words is "one hundred two million, two hundred thousand, five hundred thirty-one".