30312021101302 has 4 divisors (see below), whose sum is σ = 45468031651956. Its totient is φ = 15156010550650.

The previous prime is 30312021101227. The next prime is 30312021101377. The reversal of 30312021101302 is 20310112021303.

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

It is an interprime number because it is at equal distance from previous prime (30312021101227) and next prime (30312021101377).

It is a self number, because there is not a number n which added to its sum of digits gives 30312021101302.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7578005275324 + ... + 7578005275327.

It is an arithmetic number, because the mean of its divisors is an integer number (11367007912989).

Almost surely, 2^{30312021101302} is an apocalyptic number.

30312021101302 is a deficient number, since it is larger than the sum of its proper divisors (15156010550654).

30312021101302 is a wasteful number, since it uses less digits than its factorization.

30312021101302 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15156010550653.

The product of its (nonzero) digits is 216, while the sum is 19.

Adding to 30312021101302 its reverse (20310112021303), we get a palindrome (50622133122605).

The spelling of 30312021101302 in words is "thirty trillion, three hundred twelve billion, twenty-one million, one hundred one thousand, three hundred two".