203343401151 has 24 divisors (see below), whose sum is σ = 331468871760. Its totient is φ = 118988822400.

The previous prime is 203343401123. The next prime is 203343401221. The reversal of 203343401151 is 151104343302.

It is a happy number.

203343401151 is a `hidden beast` number, since 203 + 3 + 4 + 3 + 401 + 1 + 51 = 666.

It is not a de Polignac number, because 203343401151 - 2¹⁷ = 203343270079 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (203343401551) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 35410470 + ... + 35416211.

It is an arithmetic number, because the mean of its divisors is an integer number (13811202990).

Almost surely, 2^203343401151 is an apocalyptic number.

203343401151 is a deficient number, since it is larger than the sum of its proper divisors (128125470609).

203343401151 is a wasteful number, since it uses less digits than its factorization.

203343401151 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 70826727 (or 70826724 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 27.

Adding to 203343401151 its reverse (151104343302), we get a palindrome (354447744453).

The spelling of 203343401151 in words is "two hundred three billion, three hundred forty-three million, four hundred one thousand, one hundred fifty-one".