31103355311 has 8 divisors (see below), whose sum is σ = 35548366464. Its totient is φ = 26658762840.

The previous prime is 31103355263. The next prime is 31103355323. The reversal of 31103355311 is 11355330113.

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

It is a cyclic number.

It is not a de Polignac number, because 31103355311 - 2¹⁰ = 31103354287 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31103355391) by changing a digit.

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, 75116 + ... + 260478.

It is an arithmetic number, because the mean of its divisors is an integer number (4443545808).

Almost surely, 2^31103355311 is an apocalyptic number.

31103355311 is a deficient number, since it is larger than the sum of its proper divisors (4445011153).

31103355311 is a wasteful number, since it uses less digits than its factorization.

31103355311 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 209341.

The product of its (nonzero) digits is 2025, while the sum is 26.

Adding to 31103355311 its reverse (11355330113), we get a palindrome (42458685424).

The spelling of 31103355311 in words is "thirty-one billion, one hundred three million, three hundred fifty-five thousand, three hundred eleven".