223013031231 has 8 divisors (see below), whose sum is σ = 297493057840. Its totient is φ = 148604179392.

The previous prime is 223013031229. The next prime is 223013031289. The reversal of 223013031231 is 132130310322.

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

It is not a de Polignac number, because 223013031231 - 2¹ = 223013031229 is a prime.

It is a super-2 number, since 2×223013031231² (a number of 23 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 = 223013031198 and 223013031207.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (223013031431) 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, 17786380 + ... + 17798913.

It is an arithmetic number, because the mean of its divisors is an integer number (37186632230).

Almost surely, 2^223013031231 is an apocalyptic number.

223013031231 is a deficient number, since it is larger than the sum of its proper divisors (74480026609).

223013031231 is a wasteful number, since it uses less digits than its factorization.

223013031231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35587385.

The product of its (nonzero) digits is 648, while the sum is 21.

Adding to 223013031231 its reverse (132130310322), we get a palindrome (355143341553).

The spelling of 223013031231 in words is "two hundred twenty-three billion, thirteen million, thirty-one thousand, two hundred thirty-one".