31224101002 has 16 divisors (see below), whose sum is σ = 48804861960. Its totient is φ = 14963673088.

The previous prime is 31224100987. The next prime is 31224101023. The reversal of 31224101002 is 20010142213.

It can be written as a sum of positive squares in 4 ways, for example, as 26908793521 + 4315307481 = 164039^2 + 65691^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1956823 + ... + 1972714.

Almost surely, 2^31224101002 is an apocalyptic number.

31224101002 is a deficient number, since it is larger than the sum of its proper divisors (17580760958).

31224101002 is a wasteful number, since it uses less digits than its factorization.

31224101002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3929705.

The product of its (nonzero) digits is 96, while the sum is 16.

Adding to 31224101002 its reverse (20010142213), we get a palindrome (51234243215).

The spelling of 31224101002 in words is "thirty-one billion, two hundred twenty-four million, one hundred one thousand, two".