2131340131 has 8 divisors (see below), whose sum is σ = 2194905600. Its totient is φ = 2068689480.

The previous prime is 2131340129. The next prime is 2131340137. The reversal of 2131340131 is 1310431312.

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 2131340131 - 2¹ = 2131340129 is a prime.

It is a super-2 number, since 2×2131340131² = 9085221508022194322, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2131340099 and 2131340108.

It is not an unprimeable number, because it can be changed into a prime (2131340137) 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, 223975 + ... + 233296.

It is an arithmetic number, because the mean of its divisors is an integer number (274363200).

Almost surely, 2^2131340131 is an apocalyptic number.

2131340131 is a deficient number, since it is larger than the sum of its proper divisors (63565469).

2131340131 is an equidigital number, since it uses as much as digits as its factorization.

2131340131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 457409.

The product of its (nonzero) digits is 216, while the sum is 19.

The square root of 2131340131 is about 46166.4394446875. The cubic root of 2131340131 is about 1286.9181346114.

Adding to 2131340131 its reverse (1310431312), we get a palindrome (3441771443).

The spelling of 2131340131 in words is "two billion, one hundred thirty-one million, three hundred forty thousand, one hundred thirty-one".