223103213031 has 16 divisors (see below), whose sum is σ = 317008825344. Its totient is φ = 139241719584.

The previous prime is 223103213017. The next prime is 223103213107. The reversal of 223103213031 is 130312301322.

It is not a de Polignac number, because 223103213031 - 2²⁶ = 223036104167 is a prime.

It is a super-3 number, since 3×223103213031³ (a number of 35 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a junction number, because it is equal to n+sod(n) for n = 223103212989 and 223103213007.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (223103213231) 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, 34394416 + ... + 34400901.

It is an arithmetic number, because the mean of its divisors is an integer number (19813051584).

Almost surely, 2^223103213031 is an apocalyptic number.

223103213031 is a deficient number, since it is larger than the sum of its proper divisors (93905612313).

223103213031 is a wasteful number, since it uses less digits than its factorization.

223103213031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 68795390.

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

Adding to 223103213031 its reverse (130312301322), we get a palindrome (353415514353).

The spelling of 223103213031 in words is "two hundred twenty-three billion, one hundred three million, two hundred thirteen thousand, thirty-one".