102010231 has 2 divisors, whose sum is σ = 102010232. Its totient is φ = 102010230.

The previous prime is 102010199. The next prime is 102010277. The reversal of 102010231 is 132010201.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 102010231 - 2⁵ = 102010199 is a prime.

It is a super-2 number, since 2×102010231² = 20812174457346722, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (102010331) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 51005115 + 51005116.

It is an arithmetic number, because the mean of its divisors is an integer number (51005116).

Almost surely, 2^102010231 is an apocalyptic number.

102010231 is a deficient number, since it is larger than the sum of its proper divisors (1).

102010231 is an equidigital number, since it uses as much as digits as its factorization.

102010231 is an evil number, because the sum of its binary digits is even.

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

The square root of 102010231 is about 10100.0114356371. The cubic root of 102010231 is about 467.2484940764.

Adding to 102010231 its reverse (132010201), we get a palindrome (234020432).

The spelling of 102010231 in words is "one hundred two million, ten thousand, two hundred thirty-one".