203312020312132 has 36 divisors (see below), whose sum is σ = 390989319642180. Its totient is φ = 92377063980544.

The previous prime is 203312020312109. The next prime is 203312020312139. The reversal of 203312020312132 is 231213020213302.

It can be written as a sum of positive squares in 6 ways, for example, as 5097552466176 + 198214467845956 = 2257776^2 + 14078866^2 .

It is a junction number, because it is equal to n+sod(n) for n = 203312020312097 and 203312020312106.

It is not an unprimeable number, because it can be changed into a prime (203312020312139) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3032301823 + ... + 3032368870.

It is an arithmetic number, because the mean of its divisors is an integer number (10860814434505).

Almost surely, 2^{203312020312132} is an apocalyptic number.

It is an amenable number.

203312020312132 is a deficient number, since it is larger than the sum of its proper divisors (187677299330048).

203312020312132 is a wasteful number, since it uses less digits than its factorization.

203312020312132 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6064670760 (or 6064670741 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 25.

Adding to 203312020312132 its reverse (231213020213302), we get a palindrome (434525040525434).

The spelling of 203312020312132 in words is "two hundred three trillion, three hundred twelve billion, twenty million, three hundred twelve thousand, one hundred thirty-two".