3123020011 has 8 divisors (see below), whose sum is σ = 3226174848. Its totient is φ = 3020016000.

The previous prime is 3123020009. The next prime is 3123020023. The reversal of 3123020011 is 1100203213.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 3123020011 - 2¹ = 3123020009 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 3123019973 and 3123020000.

It is not an unprimeable number, because it can be changed into a prime (3123020611) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5181 + ... + 79201.

It is an arithmetic number, because the mean of its divisors is an integer number (403271856).

Almost surely, 2^3123020011 is an apocalyptic number.

3123020011 is a gapful number since it is divisible by the number (31) formed by its first and last digit.

3123020011 is a deficient number, since it is larger than the sum of its proper divisors (103154837).

3123020011 is a wasteful number, since it uses less digits than its factorization.

3123020011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 75413.

The product of its (nonzero) digits is 36, while the sum is 13.

The square root of 3123020011 is about 55883.9870714322. The cubic root of 3123020011 is about 1461.7000293129.

Adding to 3123020011 its reverse (1100203213), we get a palindrome (4223223224).

The spelling of 3123020011 in words is "three billion, one hundred twenty-three million, twenty thousand, eleven".