203113321121332 has 6 divisors (see below), whose sum is σ = 355448311962338. Its totient is φ = 101556660560664.

The previous prime is 203113321121323. The next prime is 203113321121387. The reversal of 203113321121332 is 233121123311302.

It can be written as a sum of positive squares in only one way, i.e., 149043712055716 + 54069609065616 = 12208346^2 + 7353204^2 .

It is a super-3 number, since 3×203113321121332³ (a number of 44 digits) contains 333 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 203113321121332.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25389165140163 + ... + 25389165140170.

Almost surely, 2^{203113321121332} is an apocalyptic number.

It is an amenable number.

203113321121332 is a deficient number, since it is larger than the sum of its proper divisors (152334990841006).

203113321121332 is a wasteful number, since it uses less digits than its factorization.

203113321121332 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50778330280337 (or 50778330280335 counting only the distinct ones).

The product of its (nonzero) digits is 3888, while the sum is 28.

Adding to 203113321121332 its reverse (233121123311302), we get a palindrome (436234444432634).

The spelling of 203113321121332 in words is "two hundred three trillion, one hundred thirteen billion, three hundred twenty-one million, one hundred twenty-one thousand, three hundred thirty-two".