102031 has 2 divisors, whose sum is σ = 102032. Its totient is φ = 102030.

The previous prime is 102023. The next prime is 102043. The reversal of 102031 is 130201.

It is a weak prime.

It is an emirp because it is prime and its reverse (130201) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 102031 - 2³ = 102023 is a prime.

It is a super-2 number, since 2×102031² = 20820649922, which contains 22 as substring.

102031 is a lucky number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (102001) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 51015 + 51016.

It is an arithmetic number, because the mean of its divisors is an integer number (51016).

2¹⁰²⁰³¹ is an apocalyptic number.

102031 is a deficient number, since it is larger than the sum of its proper divisors (1).

102031 is an equidigital number, since it uses as much as digits as its factorization.

102031 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 6, while the sum is 7.

The square root of 102031 is about 319.4229171490. The cubic root of 102031 is about 46.7280202090.

Adding to 102031 its reverse (130201), we get a palindrome (232232).

The spelling of 102031 in words is "one hundred two thousand, thirty-one".