2231303149 has 2 divisors, whose sum is σ = 2231303150. Its totient is φ = 2231303148.

The previous prime is 2231303119. The next prime is 2231303177. The reversal of 2231303149 is 9413031322.

It is an a-pointer prime, because the next prime (2231303177) can be obtained adding 2231303149 to its sum of digits (28).

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1420762249 + 810540900 = 37693^2 + 28470^2 .

It is a cyclic number.

It is not a de Polignac number, because 2231303149 - 2¹¹ = 2231301101 is a prime.

It is a super-3 number, since 3×2231303149³ (a number of 29 digits) contains 333 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2231303119) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1115651574 + 1115651575.

It is an arithmetic number, because the mean of its divisors is an integer number (1115651575).

Almost surely, 2^2231303149 is an apocalyptic number.

It is an amenable number.

2231303149 is a deficient number, since it is larger than the sum of its proper divisors (1).

2231303149 is an equidigital number, since it uses as much as digits as its factorization.

2231303149 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3888, while the sum is 28.

The square root of 2231303149 is about 47236.6716545525. The cubic root of 2231303149 is about 1306.7309959464.

The spelling of 2231303149 in words is "two billion, two hundred thirty-one million, three hundred three thousand, one hundred forty-nine".