31542112521322 has 16 divisors (see below), whose sum is σ = 51165834289920. Its totient is φ = 14496986376432.

The previous prime is 31542112521307. The next prime is 31542112521329. The reversal of 31542112521322 is 22312521124513.

It is not an unprimeable number, because it can be changed into a prime (31542112521329) 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, 2537981598 + ... + 2537994025.

It is an arithmetic number, because the mean of its divisors is an integer number (3197864643120).

Almost surely, 2^{31542112521322} is an apocalyptic number.

31542112521322 is a deficient number, since it is larger than the sum of its proper divisors (19623721768598).

31542112521322 is a wasteful number, since it uses less digits than its factorization.

31542112521322 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5075975877.

The product of its digits is 28800, while the sum is 34.

Adding to 31542112521322 its reverse (22312521124513), we get a palindrome (53854633645835).

The spelling of 31542112521322 in words is "thirty-one trillion, five hundred forty-two billion, one hundred twelve million, five hundred twenty-one thousand, three hundred twenty-two".