203145435351141 has 4 divisors (see below), whose sum is σ = 270860580468192. Its totient is φ = 135430290234092.

The previous prime is 203145435351119. The next prime is 203145435351163. The reversal of 203145435351141 is 141153534541302.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is an interprime number because it is at equal distance from previous prime (203145435351119) and next prime (203145435351163).

It is a cyclic number.

It is not a de Polignac number, because 203145435351141 - 2²⁶ = 203145368242277 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 203145435351093 and 203145435351102.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (203145435351181) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 33857572558521 + ... + 33857572558526.

It is an arithmetic number, because the mean of its divisors is an integer number (67715145117048).

Almost surely, 2^{203145435351141} is an apocalyptic number.

It is an amenable number.

203145435351141 is a deficient number, since it is larger than the sum of its proper divisors (67715145117051).

203145435351141 is an equidigital number, since it uses as much as digits as its factorization.

203145435351141 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 67715145117050.

The product of its (nonzero) digits is 432000, while the sum is 42.

Adding to 203145435351141 its reverse (141153534541302), we get a palindrome (344298969892443).

The spelling of 203145435351141 in words is "two hundred three trillion, one hundred forty-five billion, four hundred thirty-five million, three hundred fifty-one thousand, one hundred forty-one".