2131311129 has 8 divisors (see below), whose sum is σ = 2849939040. Its totient is φ = 1416778656.

The previous prime is 2131311109. The next prime is 2131311151. The reversal of 2131311129 is 9211131312.

2131311129 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 2131311129 - 2⁷ = 2131311001 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2131311099 and 2131311108.

It is not an unprimeable number, because it can be changed into a prime (2131311109) 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, 1022644 + ... + 1024725.

It is an arithmetic number, because the mean of its divisors is an integer number (356242380).

Almost surely, 2^2131311129 is an apocalyptic number.

It is an amenable number.

2131311129 is a deficient number, since it is larger than the sum of its proper divisors (718627911).

2131311129 is a wasteful number, since it uses less digits than its factorization.

2131311129 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2047719.

The product of its digits is 324, while the sum is 24.

The square root of 2131311129 is about 46166.1253409900. The cubic root of 2131311129 is about 1286.9122973812.

The spelling of 2131311129 in words is "two billion, one hundred thirty-one million, three hundred eleven thousand, one hundred twenty-nine".