102231433 has 4 divisors (see below), whose sum is σ = 102917700. Its totient is φ = 101545168.

The previous prime is 102231431. The next prime is 102231443. The reversal of 102231433 is 334132201.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 45198729 + 57032704 = 6723^2 + 7552^2 .

It is a cyclic number.

It is not a de Polignac number, because 102231433 - 2¹ = 102231431 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 102231433.

It is not an unprimeable number, because it can be changed into a prime (102231431) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 342910 + ... + 343207.

It is an arithmetic number, because the mean of its divisors is an integer number (25729425).

Almost surely, 2^102231433 is an apocalyptic number.

It is an amenable number.

102231433 is a deficient number, since it is larger than the sum of its proper divisors (686267).

102231433 is an equidigital number, since it uses as much as digits as its factorization.

102231433 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 686266.

The product of its (nonzero) digits is 432, while the sum is 19.

The square root of 102231433 is about 10110.9560873342. The cubic root of 102231433 is about 467.5859820691.

Adding to 102231433 its reverse (334132201), we get a palindrome (436363634).

The spelling of 102231433 in words is "one hundred two million, two hundred thirty-one thousand, four hundred thirty-three".