31222230010 has 32 divisors (see below), whose sum is σ = 58106995200. Its totient is φ = 12066425280.

The previous prime is 31222230007. The next prime is 31222230019. The reversal of 31222230010 is 1003222213.

It is not an unprimeable number, because it can be changed into a prime (31222230019) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 110536 + ... + 273244.

It is an arithmetic number, because the mean of its divisors is an integer number (1815843600).

Almost surely, 2^31222230010 is an apocalyptic number.

31222230010 is a deficient number, since it is larger than the sum of its proper divisors (26884765190).

31222230010 is a wasteful number, since it uses less digits than its factorization.

31222230010 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 163366.

The product of its (nonzero) digits is 144, while the sum is 16.

Adding to 31222230010 its reverse (1003222213), we get a palindrome (32225452223).

The spelling of 31222230010 in words is "thirty-one billion, two hundred twenty-two million, two hundred thirty thousand, ten".