102743831 has 2 divisors, whose sum is σ = 102743832. Its totient is φ = 102743830.

The previous prime is 102743807. The next prime is 102743863. The reversal of 102743831 is 138347201.

It is a weak prime.

It is an emirp because it is prime and its reverse (138347201) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 102743831 - 2¹⁰ = 102742807 is a prime.

It is a super-2 number, since 2×102743831² = 21112589617113122, which contains 22 as substring.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 102743794 and 102743803.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (102743881) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 51371915 + 51371916.

It is an arithmetic number, because the mean of its divisors is an integer number (51371916).

Almost surely, 2^102743831 is an apocalyptic number.

102743831 is a deficient number, since it is larger than the sum of its proper divisors (1).

102743831 is an equidigital number, since it uses as much as digits as its factorization.

102743831 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4032, while the sum is 29.

The square root of 102743831 is about 10136.2631674597. The cubic root of 102743831 is about 468.3658822743.

The spelling of 102743831 in words is "one hundred two million, seven hundred forty-three thousand, eight hundred thirty-one".