203513120212234 has 16 divisors (see below), whose sum is σ = 349885051472448. Its totient is φ = 86968554456672.

The previous prime is 203513120212231. The next prime is 203513120212253. The reversal of 203513120212234 is 432212021315302.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 203513120212196 and 203513120212205.

It is not an unprimeable number, because it can be changed into a prime (203513120212231) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 20946178779 + ... + 20946188494.

It is an arithmetic number, because the mean of its divisors is an integer number (21867815717028).

Almost surely, 2^{203513120212234} is an apocalyptic number.

203513120212234 is a deficient number, since it is larger than the sum of its proper divisors (146371931260214).

203513120212234 is a wasteful number, since it uses less digits than its factorization.

203513120212234 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41892367629.

The product of its (nonzero) digits is 17280, while the sum is 31.

Adding to 203513120212234 its reverse (432212021315302), we get a palindrome (635725141527536).

The spelling of 203513120212234 in words is "two hundred three trillion, five hundred thirteen billion, one hundred twenty million, two hundred twelve thousand, two hundred thirty-four".