223210113231 has 16 divisors (see below), whose sum is σ = 349322392064. Its totient is φ = 124101375264.

The previous prime is 223210113229. The next prime is 223210113233. The reversal of 223210113231 is 132311012322.

It is an interprime number because it is at equal distance from previous prime (223210113229) and next prime (223210113233).

It is not a de Polignac number, because 223210113231 - 2¹ = 223210113229 is a prime.

It is a super-3 number, since 3×223210113231³ (a number of 35 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 223210113198 and 223210113207.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (223210113233) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 143635075 + ... + 143636628.

It is an arithmetic number, because the mean of its divisors is an integer number (21832649504).

Almost surely, 2^223210113231 is an apocalyptic number.

223210113231 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

223210113231 is a deficient number, since it is larger than the sum of its proper divisors (126112278833).

223210113231 is a wasteful number, since it uses less digits than its factorization.

223210113231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 287271750.

The product of its (nonzero) digits is 432, while the sum is 21.

Adding to 223210113231 its reverse (132311012322), we get a palindrome (355521125553).

The spelling of 223210113231 in words is "two hundred twenty-three billion, two hundred ten million, one hundred thirteen thousand, two hundred thirty-one".