30312501425 has 12 divisors (see below), whose sum is σ = 37920138060. Its totient is φ = 24035397120.

The previous prime is 30312501421. The next prime is 30312501487. The reversal of 30312501425 is 52410521303.

It is a happy number.

It can be written as a sum of positive squares in 6 ways, for example, as 3845116081 + 26467385344 = 62009^2 + 162688^2 .

It is not a de Polignac number, because 30312501425 - 2² = 30312501421 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 30312501394 and 30312501403.

It is not an unprimeable number, because it can be changed into a prime (30312501421) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 5362220 + ... + 5367869.

It is an arithmetic number, because the mean of its divisors is an integer number (3160011505).

Almost surely, 2^30312501425 is an apocalyptic number.

It is an amenable number.

30312501425 is a deficient number, since it is larger than the sum of its proper divisors (7607636635).

30312501425 is a wasteful number, since it uses less digits than its factorization.

30312501425 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10730212 (or 10730207 counting only the distinct ones).

The product of its (nonzero) digits is 3600, while the sum is 26.

The spelling of 30312501425 in words is "thirty billion, three hundred twelve million, five hundred one thousand, four hundred twenty-five".