2101340131 has 32 divisors (see below), whose sum is σ = 2603404800. Its totient is φ = 1671022080.

The previous prime is 2101340117. The next prime is 2101340141. The reversal of 2101340131 is 1310431012.

It is a cyclic number.

It is not a de Polignac number, because 2101340131 - 2¹⁵ = 2101307363 is a prime.

It is a super-2 number, since 2×2101340131² = 8831260692302194322, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2101340141) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 182730 + ... + 193888.

It is an arithmetic number, because the mean of its divisors is an integer number (81356400).

Almost surely, 2^2101340131 is an apocalyptic number.

2101340131 is a deficient number, since it is larger than the sum of its proper divisors (502064669).

2101340131 is a wasteful number, since it uses less digits than its factorization.

2101340131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11259.

The product of its (nonzero) digits is 72, while the sum is 16.

The square root of 2101340131 is about 45840.3766454858. The cubic root of 2101340131 is about 1280.8515108462.

Adding to 2101340131 its reverse (1310431012), we get a palindrome (3411771143).

The spelling of 2101340131 in words is "two billion, one hundred one million, three hundred forty thousand, one hundred thirty-one".