31011200122 has 8 divisors (see below), whose sum is σ = 53162057376. Its totient is φ = 13290514332.

The previous prime is 31011200117. The next prime is 31011200137. The reversal of 31011200122 is 22100211013.

It is a sphenic number, since it is the product of 3 distinct primes.

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 3 ways as a sum of consecutive naturals, for example, 1107542848 + ... + 1107542875.

It is an arithmetic number, because the mean of its divisors is an integer number (6645257172).

Almost surely, 2^31011200122 is an apocalyptic number.

31011200122 is a deficient number, since it is larger than the sum of its proper divisors (22150857254).

31011200122 is a wasteful number, since it uses less digits than its factorization.

31011200122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2215085732.

The product of its (nonzero) digits is 24, while the sum is 13.

Adding to 31011200122 its reverse (22100211013), we get a palindrome (53111411135).

The spelling of 31011200122 in words is "thirty-one billion, eleven million, two hundred thousand, one hundred twenty-two".