312440152 has 16 divisors (see below), whose sum is σ = 586544400. Its totient is φ = 156028320.

The previous prime is 312440143. The next prime is 312440179. The reversal of 312440152 is 251044213.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 16924 + ... + 30187.

It is an arithmetic number, because the mean of its divisors is an integer number (36659025).

Almost surely, 2^312440152 is an apocalyptic number.

It is an amenable number.

312440152 is a deficient number, since it is larger than the sum of its proper divisors (274104248).

312440152 is a wasteful number, since it uses less digits than its factorization.

312440152 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47946 (or 47942 counting only the distinct ones).

The product of its (nonzero) digits is 960, while the sum is 22.

The square root of 312440152 is about 17675.9766915438. The cubic root of 312440152 is about 678.5610807255.

Adding to 312440152 its reverse (251044213), we get a palindrome (563484365).

The spelling of 312440152 in words is "three hundred twelve million, four hundred forty thousand, one hundred fifty-two".