3154300021 has 2 divisors, whose sum is σ = 3154300022. Its totient is φ = 3154300020.

The previous prime is 3154300013. The next prime is 3154300081. The reversal of 3154300021 is 1200034513.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1671664996 + 1482635025 = 40886^2 + 38505^2 .

It is an emirp because it is prime and its reverse (1200034513) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 3154300021 - 2³ = 3154300013 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3154300081) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1577150010 + 1577150011.

It is an arithmetic number, because the mean of its divisors is an integer number (1577150011).

Almost surely, 2^3154300021 is an apocalyptic number.

It is an amenable number.

3154300021 is a deficient number, since it is larger than the sum of its proper divisors (1).

3154300021 is an equidigital number, since it uses as much as digits as its factorization.

3154300021 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 360, while the sum is 19.

The square root of 3154300021 is about 56163.1553689783. The cubic root of 3154300021 is about 1466.5639308605.

Adding to 3154300021 its reverse (1200034513), we get a palindrome (4354334534).

The spelling of 3154300021 in words is "three billion, one hundred fifty-four million, three hundred thousand, twenty-one".