31301222112130 has 16 divisors (see below), whose sum is σ = 56445202005120. Its totient is φ = 12497599466352.

The previous prime is 31301222112109. The next prime is 31301222112133. The reversal of 31301222112130 is 3121122210313.

It is not an unprimeable number, because it can be changed into a prime (31301222112133) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2861166570 + ... + 2861177509.

It is an arithmetic number, because the mean of its divisors is an integer number (3527825125320).

Almost surely, 2^{31301222112130} is an apocalyptic number.

31301222112130 is a deficient number, since it is larger than the sum of its proper divisors (25143979892990).

31301222112130 is a wasteful number, since it uses less digits than its factorization.

31301222112130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5722344633.

The product of its (nonzero) digits is 432, while the sum is 22.

Adding to 31301222112130 its reverse (3121122210313), we get a palindrome (34422344322443).

The spelling of 31301222112130 in words is "thirty-one trillion, three hundred one billion, two hundred twenty-two million, one hundred twelve thousand, one hundred thirty".