30131103320233 has 8 divisors (see below), whose sum is σ = 30260667390408. Its totient is φ = 30001541353344.

The previous prime is 30131103320221. The next prime is 30131103320291. The reversal of 30131103320233 is 33202330113103.

It can be written as a sum of positive squares in 4 ways, for example, as 3011307737344 + 27119795582889 = 1735312^2 + 5207667^2 .

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-30131103320233 is a prime.

It is a super-2 number, since 2×30131103320233² (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 = 30131103320198 and 30131103320207.

It is not an unprimeable number, because it can be changed into a prime (30131103320293) 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, 32686635 + ... + 33595807.

It is an arithmetic number, because the mean of its divisors is an integer number (3782583423801).

Almost surely, 2^{30131103320233} is an apocalyptic number.

It is an amenable number.

30131103320233 is a deficient number, since it is larger than the sum of its proper divisors (129564070175).

30131103320233 is a wasteful number, since it uses less digits than its factorization.

30131103320233 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1051643.

The product of its (nonzero) digits is 2916, while the sum is 25.

Adding to 30131103320233 its reverse (33202330113103), we get a palindrome (63333433433336).

The spelling of 30131103320233 in words is "thirty trillion, one hundred thirty-one billion, one hundred three million, three hundred twenty thousand, two hundred thirty-three".