30703001310221 has 8 divisors (see below), whose sum is σ = 30731902266744. Its totient is φ = 30674102018560.

The previous prime is 30703001310151. The next prime is 30703001310257. The reversal of 30703001310221 is 12201310030703.

It can be written as a sum of positive squares in 4 ways, for example, as 158157336100 + 30544843974121 = 397690^2 + 5526739^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-30703001310221 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30703001318221) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 38164751 + ... + 38960931.

It is an arithmetic number, because the mean of its divisors is an integer number (3841487783343).

Almost surely, 2^{30703001310221} is an apocalyptic number.

It is an amenable number.

30703001310221 is a deficient number, since it is larger than the sum of its proper divisors (28900956523).

30703001310221 is a wasteful number, since it uses less digits than its factorization.

30703001310221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 832431.

The product of its (nonzero) digits is 756, while the sum is 23.

Adding to 30703001310221 its reverse (12201310030703), we get a palindrome (42904311340924).

The spelling of 30703001310221 in words is "thirty trillion, seven hundred three billion, one million, three hundred ten thousand, two hundred twenty-one".