3123033013 has 4 divisors (see below), whose sum is σ = 3123148000. Its totient is φ = 3122918028.

The previous prime is 3123032999. The next prime is 3123033029. The reversal of 3123033013 is 3103303213.

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 a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 3103303213 = 1459 ⋅2127007.

It is a cyclic number.

It is not a de Polignac number, because 3123033013 - 2²¹ = 3120935861 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 (3123033073) 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, 8488 + ... + 79486.

It is an arithmetic number, because the mean of its divisors is an integer number (780787000).

Almost surely, 2^3123033013 is an apocalyptic number.

It is an amenable number.

3123033013 is a deficient number, since it is larger than the sum of its proper divisors (114987).

3123033013 is an equidigital number, since it uses as much as digits as its factorization.

3123033013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 114986.

The product of its (nonzero) digits is 486, while the sum is 19.

The square root of 3123033013 is about 55884.1034015936. The cubic root of 3123033013 is about 1461.7020577979.

Adding to 3123033013 its reverse (3103303213), we get a palindrome (6226336226).

The spelling of 3123033013 in words is "three billion, one hundred twenty-three million, thirty-three thousand, thirteen".