102200131 has 4 divisors (see below), whose sum is σ = 111491064. Its totient is φ = 92909200.

The previous prime is 102200129. The next prime is 102200191. The reversal of 102200131 is 131002201.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 131002201 = 11 ⋅11909291.

It is a cyclic number.

It is not a de Polignac number, because 102200131 - 2¹ = 102200129 is a prime.

It is a super-2 number, since 2×102200131² = 20889733552834322, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (102200101) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4645450 + ... + 4645471.

It is an arithmetic number, because the mean of its divisors is an integer number (27872766).

Almost surely, 2^102200131 is an apocalyptic number.

102200131 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

102200131 is a deficient number, since it is larger than the sum of its proper divisors (9290933).

102200131 is an equidigital number, since it uses as much as digits as its factorization.

102200131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9290932.

The product of its (nonzero) digits is 12, while the sum is 10.

The square root of 102200131 is about 10109.4080439955. The cubic root of 102200131 is about 467.5382541833.

Adding to 102200131 its reverse (131002201), we get a palindrome (233202332).

The spelling of 102200131 in words is "one hundred two million, two hundred thousand, one hundred thirty-one".