30311121101 has 8 divisors (see below), whose sum is σ = 30733580544. Its totient is φ = 29888857440.

The previous prime is 30311121053. The next prime is 30311121109. The reversal of 30311121101 is 10112111303.

It is a happy number.

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-30311121101 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 (30311121109) by changing a digit.

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 in 7 ways as a sum of consecutive naturals, for example, 277946 + ... + 371316.

It is an arithmetic number, because the mean of its divisors is an integer number (3841697568).

Almost surely, 2^30311121101 is an apocalyptic number.

It is an amenable number.

30311121101 is a deficient number, since it is larger than the sum of its proper divisors (422459443).

30311121101 is an equidigital number, since it uses as much as digits as its factorization.

30311121101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 97891.

The product of its (nonzero) digits is 18, while the sum is 14.

Adding to 30311121101 its reverse (10112111303), we get a palindrome (40423232404).

The spelling of 30311121101 in words is "thirty billion, three hundred eleven million, one hundred twenty-one thousand, one hundred one".