3145520312 has 16 divisors (see below), whose sum is σ = 6434019000. Its totient is φ = 1429781920.

The previous prime is 3145520299. The next prime is 3145520333. The reversal of 3145520312 is 2130255413.

It is a happy number.

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 3 ways as a sum of consecutive naturals, for example, 17872187 + ... + 17872362.

Almost surely, 2^3145520312 is an apocalyptic number.

It is an amenable number.

3145520312 is an abundant number, since it is smaller than the sum of its proper divisors (3288498688).

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

3145520312 is a wasteful number, since it uses less digits than its factorization.

3145520312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35744566 (or 35744562 counting only the distinct ones).

The product of its (nonzero) digits is 3600, while the sum is 26.

The square root of 3145520312 is about 56084.9383702969. The cubic root of 3145520312 is about 1465.2019837446.

Adding to 3145520312 its reverse (2130255413), we get a palindrome (5275775725).

The spelling of 3145520312 in words is "three billion, one hundred forty-five million, five hundred twenty thousand, three hundred twelve".