203031200000001 has 32 divisors (see below), whose sum is σ = 294783834384000. Its totient is φ = 123807788471808.

The previous prime is 203031199999939. The next prime is 203031200000081. The reversal of 203031200000001 is 100000002130302.

It is a happy number.

It is not a de Polignac number, because 203031200000001 - 2⁶ = 203031199999937 is a prime.

It is not an unprimeable number, because it can be changed into a prime (203031200000081) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 517670691 + ... + 518062743.

It is an arithmetic number, because the mean of its divisors is an integer number (9211994824500).

Almost surely, 2^{203031200000001} is an apocalyptic number.

It is an amenable number.

203031200000001 is a deficient number, since it is larger than the sum of its proper divisors (91752634383999).

203031200000001 is a wasteful number, since it uses less digits than its factorization.

203031200000001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 705393.

The product of its (nonzero) digits is 36, while the sum is 12.

Adding to 203031200000001 its reverse (100000002130302), we get a palindrome (303031202130303).

The spelling of 203031200000001 in words is "two hundred three trillion, thirty-one billion, two hundred million, one", and thus it is an aban number.