42321011131 has 16 divisors (see below), whose sum is σ = 51787408320. Its totient is φ = 33757701120.

The previous prime is 42321011129. The next prime is 42321011143. The reversal of 42321011131 is 13111012324.

It is a cyclic number.

It is not a de Polignac number, because 42321011131 - 2¹ = 42321011129 is a prime.

It is a super-2 number, since 2×42321011131² (a number of 22 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 = 42321011099 and 42321011108.

It is not an unprimeable number, because it can be changed into a prime (42321011191) 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, 1987380 + ... + 2008561.

It is an arithmetic number, because the mean of its divisors is an integer number (3236713020).

Almost surely, 2^42321011131 is an apocalyptic number.

42321011131 is a deficient number, since it is larger than the sum of its proper divisors (9466397189).

42321011131 is a wasteful number, since it uses less digits than its factorization.

42321011131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3996054.

The product of its (nonzero) digits is 144, while the sum is 19.

Adding to 42321011131 its reverse (13111012324), we get a palindrome (55432023455).

The spelling of 42321011131 in words is "forty-two billion, three hundred twenty-one million, eleven thousand, one hundred thirty-one".