31103355352 has 8 divisors (see below), whose sum is σ = 58318791300. Its totient is φ = 15551677672.

The previous prime is 31103355323. The next prime is 31103355373. The reversal of 31103355352 is 25355330113.

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1943959702 + ... + 1943959717.

Almost surely, 2^31103355352 is an apocalyptic number.

It is an amenable number.

31103355352 is a deficient number, since it is larger than the sum of its proper divisors (27215435948).

31103355352 is a wasteful number, since it uses less digits than its factorization.

31103355352 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3887919425 (or 3887919421 counting only the distinct ones).

The product of its (nonzero) digits is 20250, while the sum is 31.

Adding to 31103355352 its reverse (25355330113), we get a palindrome (56458685465).

The spelling of 31103355352 in words is "thirty-one billion, one hundred three million, three hundred fifty-five thousand, three hundred fifty-two".