31100220102003 has 16 divisors (see below), whose sum is σ = 44659182199296. Its totient is φ = 19137544457760.

The previous prime is 31100220101999. The next prime is 31100220102043. The reversal of 31100220102003 is 30020102200113.

It is not a de Polignac number, because 31100220102003 - 2² = 31100220101999 is a prime.

It is a super-2 number, since 2×31100220102003² (a number of 28 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (31100220102043) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 21209125 + ... + 22628022.

It is an arithmetic number, because the mean of its divisors is an integer number (2791198887456).

Almost surely, 2^{31100220102003} is an apocalyptic number.

31100220102003 is a deficient number, since it is larger than the sum of its proper divisors (13558962097293).

31100220102003 is a wasteful number, since it uses less digits than its factorization.

31100220102003 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43855354.

The product of its (nonzero) digits is 72, while the sum is 15.

Adding to 31100220102003 its reverse (30020102200113), we get a palindrome (61120322302116).

The spelling of 31100220102003 in words is "thirty-one trillion, one hundred billion, two hundred twenty million, one hundred two thousand, three".