31022110002 has 64 divisors (see below), whose sum is σ = 67541160960. Its totient is φ = 9442004544.

The previous prime is 31022109977. The next prime is 31022110019. The reversal of 31022110002 is 20001122013.

It is a self number, because there is not a number n which added to its sum of digits gives 31022110002.

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, 10113273 + ... + 10116339.

It is an arithmetic number, because the mean of its divisors is an integer number (1055330640).

Almost surely, 2^31022110002 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 31022110002, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (33770580480).

31022110002 is an abundant number, since it is smaller than the sum of its proper divisors (36519050958).

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

31022110002 is a wasteful number, since it uses less digits than its factorization.

31022110002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4447.

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

Adding to 31022110002 its reverse (20001122013), we get a palindrome (51023232015).

The spelling of 31022110002 in words is "thirty-one billion, twenty-two million, one hundred ten thousand, two".