211003131311031 has 64 divisors (see below), whose sum is σ = 288996973056000. Its totient is φ = 136895270054400.

The previous prime is 211003131311017. The next prime is 211003131311059. The reversal of 211003131311031 is 130113131300112.

It is not a de Polignac number, because 211003131311031 - 2⁷ = 211003131310903 is a prime.

It is a super-2 number, since 2×211003131311031² (a number of 29 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 211003131310989 and 211003131311007.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (211003131310031) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 9940307440 + ... + 9940328666.

It is an arithmetic number, because the mean of its divisors is an integer number (4515577704000).

Almost surely, 2^{211003131311031} is an apocalyptic number.

211003131311031 is a deficient number, since it is larger than the sum of its proper divisors (77993841744969).

211003131311031 is a wasteful number, since it uses less digits than its factorization.

211003131311031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22900.

The product of its (nonzero) digits is 162, while the sum is 21.

Adding to 211003131311031 its reverse (130113131300112), we get a palindrome (341116262611143).

The spelling of 211003131311031 in words is "two hundred eleven trillion, three billion, one hundred thirty-one million, three hundred eleven thousand, thirty-one".