213203454503044 has 12 divisors (see below), whose sum is σ = 373106189465100. Its totient is φ = 106601686084448.

The previous prime is 213203454502921. The next prime is 213203454503063. The reversal of 213203454503044 is 440305454302312.

It can be written as a sum of positive squares in 2 ways, for example, as 93561860416644 + 119641594086400 = 9672738^2 + 10938080^2 .

It is a super-5 number, since 5×213203454503044⁵ (a number of 73 digits) contains 55555 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 213203454502988 and 213203454503006.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3378462 + ... + 20924170.

It is an arithmetic number, because the mean of its divisors is an integer number (31092182455425).

Almost surely, 2^{213203454503044} is an apocalyptic number.

It is an amenable number.

213203454503044 is a deficient number, since it is larger than the sum of its proper divisors (159902734962056).

213203454503044 is a wasteful number, since it uses less digits than its factorization.

213203454503044 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20583542 (or 20583540 counting only the distinct ones).

The product of its (nonzero) digits is 691200, while the sum is 40.

The spelling of 213203454503044 in words is "two hundred thirteen trillion, two hundred three billion, four hundred fifty-four million, five hundred three thousand, forty-four".