30311123101 has 12 divisors (see below), whose sum is σ = 35262848448. Its totient is φ = 25978773912.

The previous prime is 30311123083. The next prime is 30311123123. The reversal of 30311123101 is 10132111303.

It is not a de Polignac number, because 30311123101 - 2¹¹ = 30311121053 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 (30311123201) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 879150 + ... + 912976.

It is an arithmetic number, because the mean of its divisors is an integer number (2938570704).

Almost surely, 2^30311123101 is an apocalyptic number.

It is an amenable number.

30311123101 is a deficient number, since it is larger than the sum of its proper divisors (4951725347).

30311123101 is a wasteful number, since it uses less digits than its factorization.

30311123101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52128 (or 52121 counting only the distinct ones).

The product of its (nonzero) digits is 54, while the sum is 16.

Adding to 30311123101 its reverse (10132111303), we get a palindrome (40443234404).

The spelling of 30311123101 in words is "thirty billion, three hundred eleven million, one hundred twenty-three thousand, one hundred one".