42311033231 has 8 divisors (see below), whose sum is σ = 43400884560. Its totient is φ = 41225994432.

The previous prime is 42311033213. The next prime is 42311033311. The reversal of 42311033231 is 13233011324.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-42311033231 is a prime.

It is a super-2 number, since 2×42311033231² (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 = 42311033197 and 42311033206.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42311033201) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1185320 + ... + 1220493.

It is an arithmetic number, because the mean of its divisors is an integer number (5425110570).

Almost surely, 2^42311033231 is an apocalyptic number.

42311033231 is a deficient number, since it is larger than the sum of its proper divisors (1089851329).

42311033231 is a wasteful number, since it uses less digits than its factorization.

42311033231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2406265.

The product of its (nonzero) digits is 1296, while the sum is 23.

Adding to 42311033231 its reverse (13233011324), we get a palindrome (55544044555).

The spelling of 42311033231 in words is "forty-two billion, three hundred eleven million, thirty-three thousand, two hundred thirty-one".