22142043031 has 12 divisors (see below), whose sum is σ = 22497118192. Its totient is φ = 21792456000.

The previous prime is 22142043013. The next prime is 22142043047. The reversal of 22142043031 is 13034024122.

It is not a de Polignac number, because 22142043031 - 2¹³ = 22142034839 is a prime.

It is a super-2 number, since 2×22142043031² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 22142042993 and 22142043011.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22142043331) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3177391 + ... + 3184351.

Almost surely, 2^22142043031 is an apocalyptic number.

22142043031 is a deficient number, since it is larger than the sum of its proper divisors (355075161).

22142043031 is an frugal number, since it uses more digits than its factorization.

22142043031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7734 (or 7663 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 22.

Adding to 22142043031 its reverse (13034024122), we get a palindrome (35176067153).

The spelling of 22142043031 in words is "twenty-two billion, one hundred forty-two million, forty-three thousand, thirty-one".