312115150 has 48 divisors (see below), whose sum is σ = 592622784. Its totient is φ = 122273280.

The previous prime is 312115123. The next prime is 312115157. The reversal of 312115150 is 51511213.

312115150 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (312115157) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 850267 + ... + 850633.

It is an arithmetic number, because the mean of its divisors is an integer number (12346308).

Almost surely, 2^312115150 is an apocalyptic number.

312115150 is a deficient number, since it is larger than the sum of its proper divisors (280507634).

312115150 is a wasteful number, since it uses less digits than its factorization.

312115150 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 685 (or 680 counting only the distinct ones).

The product of its (nonzero) digits is 150, while the sum is 19.

The square root of 312115150 is about 17666.7809744730. The cubic root of 312115150 is about 678.3257180830.

Adding to 312115150 its reverse (51511213), we get a palindrome (363626363).

The spelling of 312115150 in words is "three hundred twelve million, one hundred fifteen thousand, one hundred fifty".