2142422031 has 16 divisors (see below), whose sum is σ = 2921353056. Its totient is φ = 1396233216.

The previous prime is 2142421961. The next prime is 2142422033. The reversal of 2142422031 is 1302242412.

It is not a de Polignac number, because 2142422031 - 2¹⁰ = 2142421007 is a prime.

It is a super-2 number, since 2×2142422031² = 9179944317828329922, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 2142421989 and 2142422007.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2142422033) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 18540 + ... + 68033.

It is an arithmetic number, because the mean of its divisors is an integer number (182584566).

Almost surely, 2^2142422031 is an apocalyptic number.

2142422031 is a deficient number, since it is larger than the sum of its proper divisors (778931025).

2142422031 is a wasteful number, since it uses less digits than its factorization.

2142422031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 86762.

The product of its (nonzero) digits is 768, while the sum is 21.

The square root of 2142422031 is about 46286.3050048284. The cubic root of 2142422031 is about 1289.1447230186.

Adding to 2142422031 its reverse (1302242412), we get a palindrome (3444664443).

The spelling of 2142422031 in words is "two billion, one hundred forty-two million, four hundred twenty-two thousand, thirty-one".