30101231225 has 12 divisors (see below), whose sum is σ = 40196721516. Its totient is φ = 22228601280.

The previous prime is 30101231207. The next prime is 30101231233. The reversal of 30101231225 is 52213210103.

It can be written as a sum of positive squares in 6 ways, for example, as 5153660521 + 24947570704 = 71789^2 + 157948^2 .

It is not a de Polignac number, because 30101231225 - 2⁶ = 30101231161 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 30101231197 and 30101231206.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 46309262 + ... + 46309911.

It is an arithmetic number, because the mean of its divisors is an integer number (3349726793).

Almost surely, 2^30101231225 is an apocalyptic number.

It is an amenable number.

30101231225 is a deficient number, since it is larger than the sum of its proper divisors (10095490291).

30101231225 is a wasteful number, since it uses less digits than its factorization.

30101231225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 92619196 (or 92619191 counting only the distinct ones).

The product of its (nonzero) digits is 360, while the sum is 20.

Adding to 30101231225 its reverse (52213210103), we get a palindrome (82314441328).

The spelling of 30101231225 in words is "thirty billion, one hundred one million, two hundred thirty-one thousand, two hundred twenty-five".