2113210131 has 8 divisors (see below), whose sum is σ = 2819238864. Its totient is φ = 1407994080.

The previous prime is 2113210091. The next prime is 2113210171. The reversal of 2113210131 is 1310123112.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (2113210091) and next prime (2113210171).

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 2113210131 - 2¹⁰ = 2113209107 is a prime.

It is a super-2 number, since 2×2113210131² = 8931314115522074322, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 2113210131.

It is not an unprimeable number, because it can be changed into a prime (2113210171) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 197076 + ... + 207521.

It is an arithmetic number, because the mean of its divisors is an integer number (352404858).

Almost surely, 2^2113210131 is an apocalyptic number.

2113210131 is a deficient number, since it is larger than the sum of its proper divisors (706028733).

2113210131 is a wasteful number, since it uses less digits than its factorization.

2113210131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 406341.

The product of its (nonzero) digits is 36, while the sum is 15.

The square root of 2113210131 is about 45969.6653348706. The cubic root of 2113210131 is about 1283.2587317216.

Adding to 2113210131 its reverse (1310123112), we get a palindrome (3423333243).

The spelling of 2113210131 in words is "two billion, one hundred thirteen million, two hundred ten thousand, one hundred thirty-one".