31003221122 has 16 divisors (see below), whose sum is σ = 46970129400. Its totient is φ = 15347225088.

The previous prime is 31003221083. The next prime is 31003221131. The reversal of 31003221122 is 22112230013.

It can be written as a sum of positive squares in 4 ways, for example, as 19965407401 + 11037813721 = 141299^2 + 105061^2 .

It is a super-2 number, since 2×31003221122² (a number of 22 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 31003221122.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 91247 + ... + 265202.

Almost surely, 2^31003221122 is an apocalyptic number.

31003221122 is a deficient number, since it is larger than the sum of its proper divisors (15966908278).

31003221122 is a wasteful number, since it uses less digits than its factorization.

31003221122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 356885.

The product of its (nonzero) digits is 144, while the sum is 17.

Adding to 31003221122 its reverse (22112230013), we get a palindrome (53115451135).

The spelling of 31003221122 in words is "thirty-one billion, three million, two hundred twenty-one thousand, one hundred twenty-two".