312210345144 has 32 divisors (see below), whose sum is σ = 788572527120. Its totient is φ = 102997226496.

The previous prime is 312210345131. The next prime is 312210345163. The reversal of 312210345144 is 441543012213.

It is a super-2 number, since 2×312210345144² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 67053159 + ... + 67057814.

Almost surely, 2^312210345144 is an apocalyptic number.

It is an amenable number.

312210345144 is an abundant number, since it is smaller than the sum of its proper divisors (476362181976).

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

312210345144 is a wasteful number, since it uses less digits than its factorization.

312210345144 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 134111079 (or 134111075 counting only the distinct ones).

The product of its (nonzero) digits is 11520, while the sum is 30.

Adding to 312210345144 its reverse (441543012213), we get a palindrome (753753357357).

The spelling of 312210345144 in words is "three hundred twelve billion, two hundred ten million, three hundred forty-five thousand, one hundred forty-four".