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53223102031 = 1118892561389
BaseRepresentation
bin110001100100010110…
…000001011001001111
312002101012122201102011
4301210112001121033
51333000103231111
640241135442051
73562626621451
oct614426013117
9162335581364
1053223102031
1120632065340
12a394386327
1350327398a8
14280c8102d1
1515b7808021
hexc6458164f

53223102031 has 8 divisors (see below), whose sum is σ = 58092325200. Its totient is φ = 48359005440.

The previous prime is 53223102013. The next prime is 53223102047. The reversal of 53223102031 is 13020132235.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 53223102031 - 223 = 53214713423 is a prime.

It is a super-2 number, since 2×532231020312 (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 53223101993 and 53223102011.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53223102001) 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, 1259916 + ... + 1301473.

It is an arithmetic number, because the mean of its divisors is an integer number (7261540650).

Almost surely, 253223102031 is an apocalyptic number.

53223102031 is a deficient number, since it is larger than the sum of its proper divisors (4869223169).

53223102031 is a wasteful number, since it uses less digits than its factorization.

53223102031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2563289.

The product of its (nonzero) digits is 1080, while the sum is 22.

Adding to 53223102031 its reverse (13020132235), we get a palindrome (66243234266).

The spelling of 53223102031 in words is "fifty-three billion, two hundred twenty-three million, one hundred two thousand, thirty-one".

Divisors: 1 11 1889 20779 2561389 28175279 4838463821 53223102031