30311130121 has 8 divisors (see below), whose sum is σ = 32134555904. Its totient is φ = 28540557360.

The previous prime is 30311130097. The next prime is 30311130131. The reversal of 30311130121 is 12103111303.

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

It is a cyclic number.

It is not a de Polignac number, because 30311130121 - 2⁷ = 30311129993 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 30311130095 and 30311130104.

It is not an unprimeable number, because it can be changed into a prime (30311130131) 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, 13212075 + ... + 13214368.

It is an arithmetic number, because the mean of its divisors is an integer number (4016819488).

Almost surely, 2^30311130121 is an apocalyptic number.

30311130121 is a gapful number since it is divisible by the number (31) formed by its first and last digit.

It is an amenable number.

30311130121 is a deficient number, since it is larger than the sum of its proper divisors (1823425783).

30311130121 is a wasteful number, since it uses less digits than its factorization.

30311130121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26426511.

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

Adding to 30311130121 its reverse (12103111303), we get a palindrome (42414241424).

The spelling of 30311130121 in words is "thirty billion, three hundred eleven million, one hundred thirty thousand, one hundred twenty-one".