42213324312031 has 2 divisors, whose sum is σ = 42213324312032. Its totient is φ = 42213324312030.

The previous prime is 42213324312017. The next prime is 42213324312067. The reversal of 42213324312031 is 13021342331224.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 42213324312031 - 2⁴⁵ = 7028952223199 is a prime.

It is a super-2 number, since 2×42213324312031² (a number of 28 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 42213324311984 and 42213324312002.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (42213324012031) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21106662156015 + 21106662156016.

It is an arithmetic number, because the mean of its divisors is an integer number (21106662156016).

Almost surely, 2^{42213324312031} is an apocalyptic number.

42213324312031 is a deficient number, since it is larger than the sum of its proper divisors (1).

42213324312031 is an equidigital number, since it uses as much as digits as its factorization.

42213324312031 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 20736, while the sum is 31.

Adding to 42213324312031 its reverse (13021342331224), we get a palindrome (55234666643255).

The spelling of 42213324312031 in words is "forty-two trillion, two hundred thirteen billion, three hundred twenty-four million, three hundred twelve thousand, thirty-one".