31103311020322 has 8 divisors (see below), whose sum is σ = 48263758479900. Its totient is φ = 15015391527024.

The previous prime is 31103311020289. The next prime is 31103311020403. The reversal of 31103311020322 is 22302011330113.

It can be written as a sum of positive squares in 2 ways, for example, as 31061215881081 + 42095139241 = 5573259^2 + 205171^2 .

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

It is a junction number, because it is equal to n+sod(n) for n = 31103311020293 and 31103311020302.

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, 268131991497 + ... + 268131991612.

Almost surely, 2^{31103311020322} is an apocalyptic number.

31103311020322 is a deficient number, since it is larger than the sum of its proper divisors (17160447459578).

31103311020322 is a wasteful number, since it uses less digits than its factorization.

31103311020322 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 536263983140.

The product of its (nonzero) digits is 648, while the sum is 22.

Adding to 31103311020322 its reverse (22302011330113), we get a palindrome (53405322350435).

The spelling of 31103311020322 in words is "thirty-one trillion, one hundred three billion, three hundred eleven million, twenty thousand, three hundred twenty-two".