312140152 has 16 divisors (see below), whose sum is σ = 585577440. Its totient is φ = 155986176.

The previous prime is 312140141. The next prime is 312140159. The reversal of 312140152 is 251041213.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (312140159) 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, 7048 + ... + 25960.

It is an arithmetic number, because the mean of its divisors is an integer number (36598590).

Almost surely, 2^312140152 is an apocalyptic number.

It is an amenable number.

312140152 is a deficient number, since it is larger than the sum of its proper divisors (273437288).

312140152 is a wasteful number, since it uses less digits than its factorization.

312140152 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20982 (or 20978 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 19.

The square root of 312140152 is about 17667.4885594982. The cubic root of 312140152 is about 678.3438300381.

Adding to 312140152 its reverse (251041213), we get a palindrome (563181365).

The spelling of 312140152 in words is "three hundred twelve million, one hundred forty thousand, one hundred fifty-two".