223312202031 has 16 divisors (see below), whose sum is σ = 302674600800. Its totient is φ = 146413009920.

The previous prime is 223312201961. The next prime is 223312202083. The reversal of 223312202031 is 130202213322.

It is a happy number.

It is not a de Polignac number, because 223312202031 - 2¹⁷ = 223312070959 is a prime.

It is a super-2 number, since 2×223312202031² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 223312201989 and 223312202007.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (223312272031) 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, 1231495 + ... + 1401143.

It is an arithmetic number, because the mean of its divisors is an integer number (18917162550).

Almost surely, 2^223312202031 is an apocalyptic number.

223312202031 is a deficient number, since it is larger than the sum of its proper divisors (79362398769).

223312202031 is a wasteful number, since it uses less digits than its factorization.

223312202031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 176906.

The product of its (nonzero) digits is 864, while the sum is 21.

Adding to 223312202031 its reverse (130202213322), we get a palindrome (353514415353).

The spelling of 223312202031 in words is "two hundred twenty-three billion, three hundred twelve million, two hundred two thousand, thirty-one".