102450031 has 2 divisors, whose sum is σ = 102450032. Its totient is φ = 102450030.

The previous prime is 102450017. The next prime is 102450053. The reversal of 102450031 is 130054201.

It is a weak prime.

It is an emirp because it is prime and its reverse (130054201) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 102450031 - 2⁷ = 102449903 is a prime.

It is a super-2 number, since 2×102450031² = 20992017703801922, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 102449987 and 102450014.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (102450331) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 51225015 + 51225016.

It is an arithmetic number, because the mean of its divisors is an integer number (51225016).

Almost surely, 2^102450031 is an apocalyptic number.

102450031 is a deficient number, since it is larger than the sum of its proper divisors (1).

102450031 is an equidigital number, since it uses as much as digits as its factorization.

102450031 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 120, while the sum is 16.

The square root of 102450031 is about 10121.7602718104. The cubic root of 102450031 is about 467.9190192144.

The spelling of 102450031 in words is "one hundred two million, four hundred fifty thousand, thirty-one".