3111045321 has 4 divisors (see below), whose sum is σ = 4148060432. Its totient is φ = 2074030212.

The previous prime is 3111045293. The next prime is 3111045337. The reversal of 3111045321 is 1235401113.

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: 1235401113 = 3 ⋅411800371.

It is not a de Polignac number, because 3111045321 - 2⁶ = 3111045257 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3111045341) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 518507551 + ... + 518507556.

It is an arithmetic number, because the mean of its divisors is an integer number (1037015108).

Almost surely, 2^3111045321 is an apocalyptic number.

It is an amenable number.

3111045321 is a deficient number, since it is larger than the sum of its proper divisors (1037015111).

3111045321 is a wasteful number, since it uses less digits than its factorization.

3111045321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1037015110.

The product of its (nonzero) digits is 360, while the sum is 21.

The square root of 3111045321 is about 55776.7453424812. The cubic root of 3111045321 is about 1459.8294229002.

Adding to 3111045321 its reverse (1235401113), we get a palindrome (4346446434).

The spelling of 3111045321 in words is "three billion, one hundred eleven million, forty-five thousand, three hundred twenty-one".