3145553213 has 4 divisors (see below), whose sum is σ = 3431512608. Its totient is φ = 2859593820.

The previous prime is 3145553171. The next prime is 3145553221. The reversal of 3145553213 is 3123555413.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 3123555413 = 11 ⋅283959583.

It is a cyclic number.

It is not a de Polignac number, because 3145553213 - 2⁶ = 3145553149 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 3145553213.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3145553293) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 142979681 + ... + 142979702.

It is an arithmetic number, because the mean of its divisors is an integer number (857878152).

Almost surely, 2^3145553213 is an apocalyptic number.

It is an amenable number.

3145553213 is a deficient number, since it is larger than the sum of its proper divisors (285959395).

3145553213 is a wasteful number, since it uses less digits than its factorization.

3145553213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 285959394.

The product of its digits is 27000, while the sum is 32.

The square root of 3145553213 is about 56085.2316835725. The cubic root of 3145553213 is about 1465.2070922204.

The spelling of 3145553213 in words is "three billion, one hundred forty-five million, five hundred fifty-three thousand, two hundred thirteen".