2135351131 has 4 divisors (see below), whose sum is σ = 2135655432. Its totient is φ = 2135046832.

The previous prime is 2135351123. The next prime is 2135351137. The reversal of 2135351131 is 1311535312.

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

It is a cyclic number.

It is not a de Polignac number, because 2135351131 - 2³ = 2135351123 is a prime.

It is a super-2 number, since 2×2135351131² = 9119448905325958322, 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 = 2135351096 and 2135351105.

It is not an unprimeable number, because it can be changed into a prime (2135351137) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 141370 + ... + 155743.

It is an arithmetic number, because the mean of its divisors is an integer number (533913858).

Almost surely, 2^2135351131 is an apocalyptic number.

2135351131 is a deficient number, since it is larger than the sum of its proper divisors (304301).

2135351131 is an equidigital number, since it uses as much as digits as its factorization.

2135351131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 304300.

The product of its digits is 1350, while the sum is 25.

The square root of 2135351131 is about 46209.8596730178. The cubic root of 2135351131 is about 1287.7249187099.

Adding to 2135351131 its reverse (1311535312), we get a palindrome (3446886443).

The spelling of 2135351131 in words is "two billion, one hundred thirty-five million, three hundred fifty-one thousand, one hundred thirty-one".