203231144132 has 12 divisors (see below), whose sum is σ = 356728989456. Its totient is φ = 101308575720.

The previous prime is 203231144119. The next prime is 203231144203. The reversal of 203231144132 is 231441132302.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 76747598 + ... + 76750245.

It is an arithmetic number, because the mean of its divisors is an integer number (29727415788).

Almost surely, 2^203231144132 is an apocalyptic number.

It is an amenable number.

203231144132 is a deficient number, since it is larger than the sum of its proper divisors (153497845324).

203231144132 is a wasteful number, since it uses less digits than its factorization.

203231144132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 153498178 (or 153498176 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 26.

Adding to 203231144132 its reverse (231441132302), we get a palindrome (434672276434).

The spelling of 203231144132 in words is "two hundred three billion, two hundred thirty-one million, one hundred forty-four thousand, one hundred thirty-two".