30140280125 has 16 divisors (see below), whose sum is σ = 37629766512. Its totient is φ = 24102803200.

The previous prime is 30140280113. The next prime is 30140280167. The reversal of 30140280125 is 52108204103.

It can be written as a sum of positive squares in 8 ways, for example, as 22159001881 + 7981278244 = 148859^2 + 89338^2 .

It is not a de Polignac number, because 30140280125 - 2¹⁸ = 30140017981 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 = 30140280094 and 30140280103.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 283337 + ... + 374913.

It is an arithmetic number, because the mean of its divisors is an integer number (2351860407).

Almost surely, 2^30140280125 is an apocalyptic number.

It is an amenable number.

30140280125 is a deficient number, since it is larger than the sum of its proper divisors (7489486387).

30140280125 is an equidigital number, since it uses as much as digits as its factorization.

30140280125 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 94225 (or 94215 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 26.

Adding to 30140280125 its reverse (52108204103), we get a palindrome (82248484228).

The spelling of 30140280125 in words is "thirty billion, one hundred forty million, two hundred eighty thousand, one hundred twenty-five".