30321312302 has 16 divisors (see below), whose sum is σ = 48167453520. Its totient is φ = 14265867648.

The previous prime is 30321312289. The next prime is 30321312311. The reversal of 30321312302 is 20321312303.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 76073 + ... + 257739.

It is an arithmetic number, because the mean of its divisors is an integer number (3010465845).

Almost surely, 2^30321312302 is an apocalyptic number.

30321312302 is a deficient number, since it is larger than the sum of its proper divisors (17846141218).

30321312302 is a wasteful number, since it uses less digits than its factorization.

30321312302 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 186595.

The product of its (nonzero) digits is 648, while the sum is 20.

Adding to 30321312302 its reverse (20321312303), we get a palindrome (50642624605).

Subtracting from 30321312302 its reverse (20321312303), we obtain a palindrome (9999999999).

The spelling of 30321312302 in words is "thirty billion, three hundred twenty-one million, three hundred twelve thousand, three hundred two".