3145551312 has 40 divisors (see below), whose sum is σ = 8237331904. Its totient is φ = 1034152704.

The previous prime is 3145551301. The next prime is 3145551317. The reversal of 3145551312 is 2131555413.

It is a self number, because there is not a number n which added to its sum of digits gives 3145551312.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3145551317) by changing a digit.

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, 445348 + ... + 452355.

Almost surely, 2^3145551312 is an apocalyptic number.

It is an amenable number.

3145551312 is an abundant number, since it is smaller than the sum of its proper divisors (5091780592).

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

3145551312 is a wasteful number, since it uses less digits than its factorization.

3145551312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 897787 (or 897781 counting only the distinct ones).

The product of its digits is 9000, while the sum is 30.

The square root of 3145551312 is about 56085.2147361495. The cubic root of 3145551312 is about 1465.2067970567.

The spelling of 3145551312 in words is "three billion, one hundred forty-five million, five hundred fifty-one thousand, three hundred twelve".