31122200010 has 64 divisors (see below), whose sum is σ = 81515320704. Its totient is φ = 7541836800.

The previous prime is 31122199909. The next prime is 31122200023. The reversal of 31122200010 is 1000222113.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 899430 + ... + 933390.

It is an arithmetic number, because the mean of its divisors is an integer number (1273676886).

Almost surely, 2^31122200010 is an apocalyptic number.

31122200010 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

31122200010 is an abundant number, since it is smaller than the sum of its proper divisors (50393120694).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

31122200010 is a wasteful number, since it uses less digits than its factorization.

31122200010 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36759.

The product of its (nonzero) digits is 24, while the sum is 12.

Adding to 31122200010 its reverse (1000222113), we get a palindrome (32122422123).

It can be divided in two parts, 31122 and 200010, that added together give a palindrome (231132).

The spelling of 31122200010 in words is "thirty-one billion, one hundred twenty-two million, two hundred thousand, ten".