42312031422061 has 2 divisors, whose sum is σ = 42312031422062. Its totient is φ = 42312031422060.

The previous prime is 42312031421993. The next prime is 42312031422137. The reversal of 42312031422061 is 16022413021324.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 39185959897161 + 3126071524900 = 6259869^2 + 1768070^2 .

It is a cyclic number.

It is not a de Polignac number, because 42312031422061 - 2¹⁵ = 42312031389293 is a prime.

It is a super-2 number, since 2×42312031422061² (a number of 28 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (42312031432061) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21156015711030 + 21156015711031.

It is an arithmetic number, because the mean of its divisors is an integer number (21156015711031).

Almost surely, 2^{42312031422061} is an apocalyptic number.

It is an amenable number.

42312031422061 is a deficient number, since it is larger than the sum of its proper divisors (1).

42312031422061 is an equidigital number, since it uses as much as digits as its factorization.

42312031422061 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 13824, while the sum is 31.

Adding to 42312031422061 its reverse (16022413021324), we get a palindrome (58334444443385).

The spelling of 42312031422061 in words is "forty-two trillion, three hundred twelve billion, thirty-one million, four hundred twenty-two thousand, sixty-one".