312153502222144 has 56 divisors (see below), whose sum is σ = 691456304407968. Its totient is φ = 138588235645440.

The previous prime is 312153502222129. The next prime is 312153502222153. The reversal of 312153502222144 is 441222205351213.

It is a congruent number.

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, 5155782067 + ... + 5155842610.

Almost surely, 2^{312153502222144} is an apocalyptic number.

It is an amenable number.

312153502222144 is an abundant number, since it is smaller than the sum of its proper divisors (379302802185824).

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

312153502222144 is a wasteful number, since it uses less digits than its factorization.

312153502222144 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10311624743 (or 10311624733 counting only the distinct ones).

The product of its (nonzero) digits is 115200, while the sum is 37.

Adding to 312153502222144 its reverse (441222205351213), we get a palindrome (753375707573357).

The spelling of 312153502222144 in words is "three hundred twelve trillion, one hundred fifty-three billion, five hundred two million, two hundred twenty-two thousand, one hundred forty-four".