30312003213101 has 4 divisors (see below), whose sum is σ = 30312412759392. Its totient is φ = 30311593666812.

The previous prime is 30312003213053. The next prime is 30312003213127. The reversal of 30312003213101 is 10131230021303.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-30312003213101 is a prime.

It is a super-4 number, since 4×30312003213101⁴ (a number of 55 digits) contains 4444 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30312003813101) 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, 204662105 + ... + 204810158.

It is an arithmetic number, because the mean of its divisors is an integer number (7578103189848).

Almost surely, 2^{30312003213101} is an apocalyptic number.

It is an amenable number.

30312003213101 is a deficient number, since it is larger than the sum of its proper divisors (409546291).

30312003213101 is an equidigital number, since it uses as much as digits as its factorization.

30312003213101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 409546290.

The product of its (nonzero) digits is 324, while the sum is 20.

Adding to 30312003213101 its reverse (10131230021303), we get a palindrome (40443233234404).

The spelling of 30312003213101 in words is "thirty trillion, three hundred twelve billion, three million, two hundred thirteen thousand, one hundred one".