42211313431 has 32 divisors (see below), whose sum is σ = 51097632768. Its totient is φ = 34090040160.

The previous prime is 42211313413. The next prime is 42211313437. The reversal of 42211313431 is 13431311224.

It is a cyclic number.

It is not a de Polignac number, because 42211313431 - 2¹¹ = 42211311383 is a prime.

It is a super-2 number, since 2×42211313431² (a number of 22 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 42211313396 and 42211313405.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42211313437) 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, 3160690 + ... + 3174016.

It is an arithmetic number, because the mean of its divisors is an integer number (1596801024).

Almost surely, 2^42211313431 is an apocalyptic number.

42211313431 is a deficient number, since it is larger than the sum of its proper divisors (8886319337).

42211313431 is a wasteful number, since it uses less digits than its factorization.

42211313431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13651.

The product of its digits is 1728, while the sum is 25.

Adding to 42211313431 its reverse (13431311224), we get a palindrome (55642624655).

The spelling of 42211313431 in words is "forty-two billion, two hundred eleven million, three hundred thirteen thousand, four hundred thirty-one".