312303130 has 8 divisors (see below), whose sum is σ = 562145652. Its totient is φ = 124921248.

The previous prime is 312303113. The next prime is 312303137. The reversal of 312303130 is 31303213.

It can be written as a sum of positive squares in 2 ways, for example, as 307546369 + 4756761 = 17537^2 + 2181^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (312303137) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 15615147 + ... + 15615166.

Almost surely, 2^312303130 is an apocalyptic number.

312303130 is a deficient number, since it is larger than the sum of its proper divisors (249842522).

312303130 is a wasteful number, since it uses less digits than its factorization.

312303130 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31230320.

The product of its (nonzero) digits is 162, while the sum is 16.

The square root of 312303130 is about 17672.1003279180. The cubic root of 312303130 is about 678.4618709077.

Adding to 312303130 its reverse (31303213), we get a palindrome (343606343).

The spelling of 312303130 in words is "three hundred twelve million, three hundred three thousand, one hundred thirty".