3102203121 has 4 divisors (see below), whose sum is σ = 4136270832. Its totient is φ = 2068135412.

The previous prime is 3102203119. The next prime is 3102203141. The reversal of 3102203121 is 1213022013.

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.

It is a cyclic number.

It is not a de Polignac number, because 3102203121 - 2¹ = 3102203119 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 3102203121.

It is not an unprimeable number, because it can be changed into a prime (3102203141) 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, 517033851 + ... + 517033856.

It is an arithmetic number, because the mean of its divisors is an integer number (1034067708).

Almost surely, 2^3102203121 is an apocalyptic number.

It is an amenable number.

3102203121 is a deficient number, since it is larger than the sum of its proper divisors (1034067711).

3102203121 is a wasteful number, since it uses less digits than its factorization.

3102203121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1034067710.

The product of its (nonzero) digits is 72, while the sum is 15.

The square root of 3102203121 is about 55697.4247250266. The cubic root of 3102203121 is about 1458.4450701767.

Adding to 3102203121 its reverse (1213022013), we get a palindrome (4315225134).

The spelling of 3102203121 in words is "three billion, one hundred two million, two hundred three thousand, one hundred twenty-one".