103031321211 has 96 divisors (see below), whose sum is σ = 189849179520. Its totient is φ = 52390582272.

The previous prime is 103031321207. The next prime is 103031321221. The reversal of 103031321211 is 112123130301.

103031321211 is a `hidden beast` number, since 103 + 0 + 31 + 321 + 211 = 666.

It is not a de Polignac number, because 103031321211 - 2² = 103031321207 is a prime.

It is not an unprimeable number, because it can be changed into a prime (103031321221) 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 95 ways as a sum of consecutive naturals, for example, 3287431 + ... + 3318623.

It is an arithmetic number, because the mean of its divisors is an integer number (1977595620).

Almost surely, 2^103031321211 is an apocalyptic number.

103031321211 is a deficient number, since it is larger than the sum of its proper divisors (86817858309).

103031321211 is a wasteful number, since it uses less digits than its factorization.

103031321211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31365 (or 31362 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 18.

Adding to 103031321211 its reverse (112123130301), we get a palindrome (215154451512).

The spelling of 103031321211 in words is "one hundred three billion, thirty-one million, three hundred twenty-one thousand, two hundred eleven".