30310220102131 has 4 divisors (see below), whose sum is σ = 30310710279592. Its totient is φ = 30309729924672.

The previous prime is 30310220102093. The next prime is 30310220102153. The reversal of 30310220102131 is 13120102201303.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 30310220102131 - 2⁹ = 30310220101619 is a prime.

It is a super-2 number, since 2×30310220102131² (a number of 28 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 30310220102099 and 30310220102108.

It is not an unprimeable number, because it can be changed into a prime (30310220100131) 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, 244995966 + ... + 245119651.

It is an arithmetic number, because the mean of its divisors is an integer number (7577677569898).

Almost surely, 2^{30310220102131} is an apocalyptic number.

30310220102131 is a deficient number, since it is larger than the sum of its proper divisors (490177461).

30310220102131 is an equidigital number, since it uses as much as digits as its factorization.

30310220102131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 490177460.

The product of its (nonzero) digits is 216, while the sum is 19.

Adding to 30310220102131 its reverse (13120102201303), we get a palindrome (43430322303434).

The spelling of 30310220102131 in words is "thirty trillion, three hundred ten billion, two hundred twenty million, one hundred two thousand, one hundred thirty-one".