31103355351 has 16 divisors (see below), whose sum is σ = 41625240800. Its totient is φ = 20658613248.

The previous prime is 31103355323. The next prime is 31103355373. The reversal of 31103355351 is 15355330113.

It is not a de Polignac number, because 31103355351 - 2¹⁰ = 31103354327 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 15 ways as a sum of consecutive naturals, for example, 1433955 + ... + 1455483.

It is an arithmetic number, because the mean of its divisors is an integer number (2601577550).

Almost surely, 2^31103355351 is an apocalyptic number.

31103355351 is a deficient number, since it is larger than the sum of its proper divisors (10521885449).

31103355351 is a wasteful number, since it uses less digits than its factorization.

31103355351 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23298.

The product of its (nonzero) digits is 10125, while the sum is 30.

Adding to 31103355351 its reverse (15355330113), we get a palindrome (46458685464).

The spelling of 31103355351 in words is "thirty-one billion, one hundred three million, three hundred fifty-five thousand, three hundred fifty-one".