203151232242132 has 48 divisors (see below), whose sum is σ = 475939337900544. Its totient is φ = 67442856300000.

The previous prime is 203151232242083. The next prime is 203151232242139. The reversal of 203151232242132 is 231242232151302.

It is a super-2 number, since 2×203151232242132² (a number of 29 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 203151232242093 and 203151232242102.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (203151232242139) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 43787907 + ... + 48204597.

It is an arithmetic number, because the mean of its divisors is an integer number (9915402872928).

Almost surely, 2^{203151232242132} is an apocalyptic number.

It is an amenable number.

203151232242132 is an abundant number, since it is smaller than the sum of its proper divisors (272788105658412).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

203151232242132 is a wasteful number, since it uses less digits than its factorization.

203151232242132 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4432220 (or 4432218 counting only the distinct ones).

The product of its (nonzero) digits is 34560, while the sum is 33.

Adding to 203151232242132 its reverse (231242232151302), we get a palindrome (434393464393434).

The spelling of 203151232242132 in words is "two hundred three trillion, one hundred fifty-one billion, two hundred thirty-two million, two hundred forty-two thousand, one hundred thirty-two".