203313201149 has 2 divisors, whose sum is σ = 203313201150. Its totient is φ = 203313201148.

The previous prime is 203313201109. The next prime is 203313201281. The reversal of 203313201149 is 941102313302.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 200083552249 + 3229648900 = 447307^2 + 56830^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-203313201149 is a prime.

It is a super-2 number, since 2×203313201149² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (203313201109) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 101656600574 + 101656600575.

It is an arithmetic number, because the mean of its divisors is an integer number (101656600575).

Almost surely, 2^203313201149 is an apocalyptic number.

It is an amenable number.

203313201149 is a deficient number, since it is larger than the sum of its proper divisors (1).

203313201149 is an equidigital number, since it uses as much as digits as its factorization.

203313201149 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 29.

The spelling of 203313201149 in words is "two hundred three billion, three hundred thirteen million, two hundred one thousand, one hundred forty-nine".