3123215103 has 16 divisors (see below), whose sum is σ = 4462788096. Its totient is φ = 1937786400.

The previous prime is 3123215101. The next prime is 3123215113. The reversal of 3123215103 is 3015123213.

It is not a de Polignac number, because 3123215103 - 2¹ = 3123215101 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 3123215103.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3123215101) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 609123 + ... + 614228.

It is an arithmetic number, because the mean of its divisors is an integer number (278924256).

Almost surely, 2^3123215103 is an apocalyptic number.

3123215103 is a deficient number, since it is larger than the sum of its proper divisors (1339572993).

3123215103 is a wasteful number, since it uses less digits than its factorization.

3123215103 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1223414.

The product of its (nonzero) digits is 540, while the sum is 21.

The square root of 3123215103 is about 55885.7325531302. The cubic root of 3123215103 is about 1461.7304656687.

Adding to 3123215103 its reverse (3015123213), we get a palindrome (6138338316).

The spelling of 3123215103 in words is "three billion, one hundred twenty-three million, two hundred fifteen thousand, one hundred three".