42131352233 has 2 divisors, whose sum is σ = 42131352234. Its totient is φ = 42131352232.

The previous prime is 42131352181. The next prime is 42131352239. The reversal of 42131352233 is 33225313124.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 42128383504 + 2968729 = 205252^2 + 1723^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-42131352233 is a prime.

It is a super-2 number, since 2×42131352233² (a number of 22 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 42131352196 and 42131352205.

It is not a weakly prime, because it can be changed into another prime (42131352239) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21065676116 + 21065676117.

It is an arithmetic number, because the mean of its divisors is an integer number (21065676117).

Almost surely, 2^42131352233 is an apocalyptic number.

It is an amenable number.

42131352233 is a deficient number, since it is larger than the sum of its proper divisors (1).

42131352233 is an equidigital number, since it uses as much as digits as its factorization.

42131352233 is an evil number, because the sum of its binary digits is even.

The product of its digits is 12960, while the sum is 29.

Adding to 42131352233 its reverse (33225313124), we get a palindrome (75356665357).

The spelling of 42131352233 in words is "forty-two billion, one hundred thirty-one million, three hundred fifty-two thousand, two hundred thirty-three".