2143140131 has 32 divisors (see below), whose sum is σ = 2521497600. Its totient is φ = 1800900000.

The previous prime is 2143140127. The next prime is 2143140133. The reversal of 2143140131 is 1310413412.

It is a cyclic number.

It is not a de Polignac number, because 2143140131 - 2² = 2143140127 is a prime.

It is a super-2 number, since 2×2143140131² = 9186099242205394322, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (2143140133) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1861406 + ... + 1862556.

It is an arithmetic number, because the mean of its divisors is an integer number (78796800).

Almost surely, 2^2143140131 is an apocalyptic number.

2143140131 is a deficient number, since it is larger than the sum of its proper divisors (378357469).

2143140131 is a wasteful number, since it uses less digits than its factorization.

2143140131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1391.

The product of its (nonzero) digits is 288, while the sum is 20.

The square root of 2143140131 is about 46294.0615090100. The cubic root of 2143140131 is about 1289.2887393704.

Adding to 2143140131 its reverse (1310413412), we get a palindrome (3453553543).

The spelling of 2143140131 in words is "two billion, one hundred forty-three million, one hundred forty thousand, one hundred thirty-one".