102473731 has 2 divisors, whose sum is σ = 102473732. Its totient is φ = 102473730.

The previous prime is 102473713. The next prime is 102473747. The reversal of 102473731 is 137374201.

Together with previous prime (102473713) it forms an Ormiston pair, because they use the same digits, order apart.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 102473731 - 2¹¹ = 102471683 is a prime.

It is a super-2 number, since 2×102473731² = 21001731090120722, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 102473731.

It is not a weakly prime, because it can be changed into another prime (102474731) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 51236865 + 51236866.

It is an arithmetic number, because the mean of its divisors is an integer number (51236866).

Almost surely, 2^102473731 is an apocalyptic number.

102473731 is a deficient number, since it is larger than the sum of its proper divisors (1).

102473731 is an equidigital number, since it uses as much as digits as its factorization.

102473731 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3528, while the sum is 28.

The square root of 102473731 is about 10122.9309490878. The cubic root of 102473731 is about 467.9550980248.

The spelling of 102473731 in words is "one hundred two million, four hundred seventy-three thousand, seven hundred thirty-one".