31301212222002 has 16 divisors (see below), whose sum is σ = 63934390922112. Its totient is φ = 10211742994320.

The previous prime is 31301212221991. The next prime is 31301212222061. The reversal of 31301212222002 is 20022221210313.

It is a self number, because there is not a number n which added to its sum of digits gives 31301212222002.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 55498602949 + ... + 55498603512.

It is an arithmetic number, because the mean of its divisors is an integer number (3995899432632).

Almost surely, 2^{31301212222002} is an apocalyptic number.

31301212222002 is an abundant number, since it is smaller than the sum of its proper divisors (32633178700110).

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

31301212222002 is a wasteful number, since it uses less digits than its factorization.

31301212222002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 110997206513.

The product of its (nonzero) digits is 576, while the sum is 21.

Adding to 31301212222002 its reverse (20022221210313), we get a palindrome (51323433432315).

The spelling of 31301212222002 in words is "thirty-one trillion, three hundred one billion, two hundred twelve million, two hundred twenty-two thousand, two".