31030222223 has 64 divisors (see below), whose sum is σ = 42876739584. Its totient is φ = 21677760000.

The previous prime is 31030222189. The next prime is 31030222253. The reversal of 31030222223 is 32222203013.

It is not a de Polignac number, because 31030222223 - 2⁶ = 31030222159 is a prime.

It is a super-3 number, since 3×31030222223³ (a number of 32 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 31030222195 and 31030222204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31030222253) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 5355458 + ... + 5361248.

It is an arithmetic number, because the mean of its divisors is an integer number (669949056).

Almost surely, 2^31030222223 is an apocalyptic number.

31030222223 is a deficient number, since it is larger than the sum of its proper divisors (11846517361).

31030222223 is a wasteful number, since it uses less digits than its factorization.

31030222223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5976.

The product of its (nonzero) digits is 864, while the sum is 20.

Adding to 31030222223 its reverse (32222203013), we get a palindrome (63252425236).

The spelling of 31030222223 in words is "thirty-one billion, thirty million, two hundred twenty-two thousand, two hundred twenty-three".