31322021102 has 8 divisors (see below), whose sum is σ = 47010023112. Its totient is φ = 15652013400.

The previous prime is 31322021077. The next prime is 31322021119. The reversal of 31322021102 is 20112022313.

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

It is a congruent number.

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, 4494224 + ... + 4501187.

It is an arithmetic number, because the mean of its divisors is an integer number (5876252889).

Almost surely, 2^31322021102 is an apocalyptic number.

31322021102 is a deficient number, since it is larger than the sum of its proper divisors (15688002010).

31322021102 is a wasteful number, since it uses less digits than its factorization.

31322021102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8997154.

The product of its (nonzero) digits is 144, while the sum is 17.

Adding to 31322021102 its reverse (20112022313), we get a palindrome (51434043415).

The spelling of 31322021102 in words is "thirty-one billion, three hundred twenty-two million, twenty-one thousand, one hundred two".