3145561103 has 4 divisors (see below), whose sum is σ = 3247030848. Its totient is φ = 3044091360.

The previous prime is 3145561099. The next prime is 3145561109. The reversal of 3145561103 is 3011655413.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 3145561103 - 2² = 3145561099 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3145561109) 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, 50734826 + ... + 50734887.

It is an arithmetic number, because the mean of its divisors is an integer number (811757712).

Almost surely, 2^3145561103 is an apocalyptic number.

3145561103 is a deficient number, since it is larger than the sum of its proper divisors (101469745).

3145561103 is a wasteful number, since it uses less digits than its factorization.

3145561103 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 101469744.

The product of its (nonzero) digits is 5400, while the sum is 29.

The square root of 3145561103 is about 56085.3020229008. The cubic root of 3145561103 is about 1465.2083172804.

The spelling of 3145561103 in words is "three billion, one hundred forty-five million, five hundred sixty-one thousand, one hundred three".