203145131151 has 12 divisors (see below), whose sum is σ = 299675087712. Its totient is φ = 132548595936.

The previous prime is 203145131143. The next prime is 203145131221. The reversal of 203145131151 is 151131541302.

203145131151 is a `hidden beast` number, since 2 + 0 + 31 + 4 + 513 + 115 + 1 = 666.

It is not a de Polignac number, because 203145131151 - 2³ = 203145131143 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (203145141151) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 240123846 + ... + 240124691.

It is an arithmetic number, because the mean of its divisors is an integer number (24972923976).

Almost surely, 2^203145131151 is an apocalyptic number.

203145131151 is a deficient number, since it is larger than the sum of its proper divisors (96529956561).

203145131151 is a wasteful number, since it uses less digits than its factorization.

203145131151 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 480248590 (or 480248587 counting only the distinct ones).

The product of its (nonzero) digits is 1800, while the sum is 27.

Adding to 203145131151 its reverse (151131541302), we get a palindrome (354276672453).

It can be divided in two parts, 2031451 and 31151, that added together give a palindrome (2062602).

The spelling of 203145131151 in words is "two hundred three billion, one hundred forty-five million, one hundred thirty-one thousand, one hundred fifty-one".