31301211122 has 16 divisors (see below), whose sum is σ = 47690484000. Its totient is φ = 15405243552.

The previous prime is 31301211101. The next prime is 31301211131. The reversal of 31301211122 is 22111210313.

It is a self number, because there is not a number n which added to its sum of digits gives 31301211122.

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 7 ways as a sum of consecutive naturals, for example, 141968 + ... + 287675.

It is an arithmetic number, because the mean of its divisors is an integer number (2980655250).

Almost surely, 2^31301211122 is an apocalyptic number.

31301211122 is a deficient number, since it is larger than the sum of its proper divisors (16389272878).

31301211122 is a wasteful number, since it uses less digits than its factorization.

31301211122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 430217.

The product of its (nonzero) digits is 72, while the sum is 17.

Adding to 31301211122 its reverse (22111210313), we get a palindrome (53412421435).

The spelling of 31301211122 in words is "thirty-one billion, three hundred one million, two hundred eleven thousand, one hundred twenty-two".