312106030225 has 12 divisors (see below), whose sum is σ = 422194339440. Its totient is φ = 226986203600.

The previous prime is 312106030217. The next prime is 312106030231. The reversal of 312106030225 is 522030601213.

It is not a de Polignac number, because 312106030225 - 2³ = 312106030217 is a prime.

It is a super-2 number, since 2×312106030225² (a number of 24 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (25).

It is a self number, because there is not a number n which added to its sum of digits gives 312106030225.

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, 567465235 + ... + 567465784.

It is an arithmetic number, because the mean of its divisors is an integer number (35182861620).

Almost surely, 2^312106030225 is an apocalyptic number.

It is an amenable number.

312106030225 is a deficient number, since it is larger than the sum of its proper divisors (110088309215).

312106030225 is a wasteful number, since it uses less digits than its factorization.

312106030225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1134931040 (or 1134931035 counting only the distinct ones).

The product of its (nonzero) digits is 2160, while the sum is 25.

Adding to 312106030225 its reverse (522030601213), we get a palindrome (834136631438).

The spelling of 312106030225 in words is "three hundred twelve billion, one hundred six million, thirty thousand, two hundred twenty-five".