312151156 has 12 divisors (see below), whose sum is σ = 546404292. Its totient is φ = 156035648.

The previous prime is 312151067. The next prime is 312151159. The reversal of 312151156 is 651151213.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 156650256 + 155500900 = 12516^2 + 12470^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 312151156.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (312151159) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14016 + ... + 28648.

It is an arithmetic number, because the mean of its divisors is an integer number (45533691).

Almost surely, 2^312151156 is an apocalyptic number.

It is an amenable number.

312151156 is a deficient number, since it is larger than the sum of its proper divisors (234253136).

312151156 is a wasteful number, since it uses less digits than its factorization.

312151156 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19970 (or 19968 counting only the distinct ones).

The product of its digits is 900, while the sum is 25.

The square root of 312151156 is about 17667.7999762279. The cubic root of 312151156 is about 678.3518012520.

The spelling of 312151156 in words is "three hundred twelve million, one hundred fifty-one thousand, one hundred fifty-six".