31010002122 has 32 divisors (see below), whose sum is σ = 69991231680. Its totient is φ = 9072936320.

The previous prime is 31010002099. The next prime is 31010002123. The reversal of 31010002122 is 22120001013.

It is a junction number, because it is equal to n+sod(n) for n = 31010002098 and 31010002107.

It is not an unprimeable number, because it can be changed into a prime (31010002123) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 8098923 + ... + 8102750.

It is an arithmetic number, because the mean of its divisors is an integer number (2187225990).

Almost surely, 2^31010002122 is an apocalyptic number.

31010002122 is an abundant number, since it is smaller than the sum of its proper divisors (38981229558).

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

31010002122 is a wasteful number, since it uses less digits than its factorization.

31010002122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16201718.

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

Adding to 31010002122 its reverse (22120001013), we get a palindrome (53130003135).

The spelling of 31010002122 in words is "thirty-one billion, ten million, two thousand, one hundred twenty-two".