312473122 has 16 divisors (see below), whose sum is σ = 505629432. Its totient is φ = 143971200.

The previous prime is 312473111. The next prime is 312473143. The reversal of 312473122 is 221374213.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 300987801 + 11485321 = 17349^2 + 3389^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5628 + ... + 25624.

Almost surely, 2^312473122 is an apocalyptic number.

312473122 is a deficient number, since it is larger than the sum of its proper divisors (193156310).

312473122 is a wasteful number, since it uses less digits than its factorization.

312473122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20613.

The product of its digits is 2016, while the sum is 25.

The square root of 312473122 is about 17676.9092886737. The cubic root of 312473122 is about 678.5849480931.

The spelling of 312473122 in words is "three hundred twelve million, four hundred seventy-three thousand, one hundred twenty-two".