2142431137 has 32 divisors (see below), whose sum is σ = 2881661184. Its totient is φ = 1541529600.

The previous prime is 2142431107. The next prime is 2142431141. The reversal of 2142431137 is 7311342412.

It is a cyclic number.

It is not a de Polignac number, because 2142431137 - 2⁷ = 2142431009 is a prime.

It is a super-2 number, since 2×2142431137² = 9180022353574225538, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2142431107) 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, 53937 + ... + 84817.

It is an arithmetic number, because the mean of its divisors is an integer number (90051912).

Almost surely, 2^2142431137 is an apocalyptic number.

It is an amenable number.

2142431137 is a deficient number, since it is larger than the sum of its proper divisors (739230047).

2142431137 is a wasteful number, since it uses less digits than its factorization.

2142431137 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30969.

The product of its digits is 4032, while the sum is 28.

The square root of 2142431137 is about 46286.4033707524. The cubic root of 2142431137 is about 1289.1465494460.

Adding to 2142431137 its reverse (7311342412), we get a palindrome (9453773549).

The spelling of 2142431137 in words is "two billion, one hundred forty-two million, four hundred thirty-one thousand, one hundred thirty-seven".