31103313322 has 16 divisors (see below), whose sum is σ = 49432815432. Its totient is φ = 14626946560.

The previous prime is 31103313317. The next prime is 31103313337. The reversal of 31103313322 is 22331330113.

It can be written as a sum of positive squares in 4 ways, for example, as 30951013041 + 152300281 = 175929^2 + 12341^2 .

It is a junction number, because it is equal to n+sod(n) for n = 31103313293 and 31103313302.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 258493 + ... + 359200.

Almost surely, 2^31103313322 is an apocalyptic number.

31103313322 is a deficient number, since it is larger than the sum of its proper divisors (18329502110).

31103313322 is a wasteful number, since it uses less digits than its factorization.

31103313322 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 619193.

The product of its (nonzero) digits is 972, while the sum is 22.

Adding to 31103313322 its reverse (22331330113), we get a palindrome (53434643435).

The spelling of 31103313322 in words is "thirty-one billion, one hundred three million, three hundred thirteen thousand, three hundred twenty-two".