312000115 has 16 divisors (see below), whose sum is σ = 428186880. Its totient is φ = 213792480.

The previous prime is 312000097. The next prime is 312000127. The reversal of 312000115 is 511000213.

It is not a de Polignac number, because 312000115 - 2²¹ = 309902963 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 312000095 and 312000104.

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, 74220 + ... + 78310.

It is an arithmetic number, because the mean of its divisors is an integer number (26761680).

Almost surely, 2^312000115 is an apocalyptic number.

312000115 is a gapful number since it is divisible by the number (35) formed by its first and last digit.

312000115 is a deficient number, since it is larger than the sum of its proper divisors (116186765).

312000115 is a wasteful number, since it uses less digits than its factorization.

312000115 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6282.

The product of its (nonzero) digits is 30, while the sum is 13.

The square root of 312000115 is about 17663.5249879519. The cubic root of 312000115 is about 678.2423719339.

Adding to 312000115 its reverse (511000213), we get a palindrome (823000328).

The spelling of 312000115 in words is "three hundred twelve million, one hundred fifteen", and thus it is an aban number.