1210113001331 has 4 divisors (see below), whose sum is σ = 1303198616832. Its totient is φ = 1117027385832.

The previous prime is 1210113001301. The next prime is 1210113001381. The reversal of 1210113001331 is 1331003110121.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1210113001331 is a prime.

It is a super-2 number, since 2×1210113001331² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1210113001301) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 46542807731 + ... + 46542807756.

It is an arithmetic number, because the mean of its divisors is an integer number (325799654208).

Almost surely, 2^{1210113001331} is an apocalyptic number.

1210113001331 is a deficient number, since it is larger than the sum of its proper divisors (93085615501).

1210113001331 is an equidigital number, since it uses as much as digits as its factorization.

1210113001331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 93085615500.

The product of its (nonzero) digits is 54, while the sum is 17.

Adding to 1210113001331 its reverse (1331003110121), we get a palindrome (2541116111452).

The spelling of 1210113001331 in words is "one trillion, two hundred ten billion, one hundred thirteen million, one thousand, three hundred thirty-one".