312115254 has 64 divisors (see below), whose sum is σ = 712212480. Its totient is φ = 90324000.

The previous prime is 312115253. The next prime is 312115273. The reversal of 312115254 is 452511213.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (312115253) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 160669 + ... + 162599.

It is an arithmetic number, because the mean of its divisors is an integer number (11128320).

Almost surely, 2^312115254 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 312115254, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (356106240).

312115254 is an abundant number, since it is smaller than the sum of its proper divisors (400097226).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

312115254 is a wasteful number, since it uses less digits than its factorization.

312115254 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2057.

The product of its digits is 1200, while the sum is 24.

The square root of 312115254 is about 17666.7839178499. The cubic root of 312115254 is about 678.3257934247.

Adding to 312115254 its reverse (452511213), we get a palindrome (764626467).

The spelling of 312115254 in words is "three hundred twelve million, one hundred fifteen thousand, two hundred fifty-four".