102134831 has 2 divisors, whose sum is σ = 102134832. Its totient is φ = 102134830.

The previous prime is 102134777. The next prime is 102134833. The reversal of 102134831 is 138431201.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-102134831 is a prime.

It is a super-2 number, since 2×102134831² = 20863047406797122, which contains 22 as substring.

Together with 102134833, it forms a pair of twin primes.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 102134797 and 102134806.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (102134833) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 51067415 + 51067416.

It is an arithmetic number, because the mean of its divisors is an integer number (51067416).

Almost surely, 2^102134831 is an apocalyptic number.

102134831 is a deficient number, since it is larger than the sum of its proper divisors (1).

102134831 is an equidigital number, since it uses as much as digits as its factorization.

102134831 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 576, while the sum is 23.

The square root of 102134831 is about 10106.1778630697. The cubic root of 102134831 is about 467.4386562918.

The spelling of 102134831 in words is "one hundred two million, one hundred thirty-four thousand, eight hundred thirty-one".