203101233149 has 2 divisors, whose sum is σ = 203101233150. Its totient is φ = 203101233148.

The previous prime is 203101233089. The next prime is 203101233157. The reversal of 203101233149 is 941332101302.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 180935383225 + 22165849924 = 425365^2 + 148882^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-203101233149 is a prime.

It is a super-2 number, since 2×203101233149² (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 (203101233649) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 101550616574 + 101550616575.

It is an arithmetic number, because the mean of its divisors is an integer number (101550616575).

Almost surely, 2^203101233149 is an apocalyptic number.

It is an amenable number.

203101233149 is a deficient number, since it is larger than the sum of its proper divisors (1).

203101233149 is an equidigital number, since it uses as much as digits as its factorization.

203101233149 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 203101233149 in words is "two hundred three billion, one hundred one million, two hundred thirty-three thousand, one hundred forty-nine".