210131110311113 has 8 divisors (see below), whose sum is σ = 211004502521736. Its totient is φ = 209257730323200.

The previous prime is 210131110311013. The next prime is 210131110311169. The reversal of 210131110311113 is 311113011131012.

It can be written as a sum of positive squares in 4 ways, for example, as 16489747413049 + 193641362898064 = 4060757^2 + 13915508^2 .

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 210131110311113 - 2¹² = 210131110307017 is a prime.

It is a super-2 number, since 2×210131110311113² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (210131110311193) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 32245223 + ... + 38210163.

It is an arithmetic number, because the mean of its divisors is an integer number (26375562815217).

Almost surely, 2^{210131110311113} is an apocalyptic number.

It is an amenable number.

210131110311113 is a deficient number, since it is larger than the sum of its proper divisors (873392210623).

210131110311113 is a wasteful number, since it uses less digits than its factorization.

210131110311113 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6111355.

The product of its (nonzero) digits is 54, while the sum is 20.

Adding to 210131110311113 its reverse (311113011131012), we get a palindrome (521244121442125).

The spelling of 210131110311113 in words is "two hundred ten trillion, one hundred thirty-one billion, one hundred ten million, three hundred eleven thousand, one hundred thirteen".