102830098442 has 4 divisors (see below), whose sum is σ = 154245147666. Its totient is φ = 51415049220.

The previous prime is 102830098411. The next prime is 102830098499. The reversal of 102830098442 is 244890038201.

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

It can be written as a sum of positive squares in only one way, i.e., 86888763361 + 15941335081 = 294769^2 + 126259^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 102830098442.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25707524609 + ... + 25707524612.

Almost surely, 2^102830098442 is an apocalyptic number.

102830098442 is a deficient number, since it is larger than the sum of its proper divisors (51415049224).

102830098442 is an equidigital number, since it uses as much as digits as its factorization.

102830098442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51415049223.

The product of its (nonzero) digits is 110592, while the sum is 41.

The spelling of 102830098442 in words is "one hundred two billion, eight hundred thirty million, ninety-eight thousand, four hundred forty-two".