42311734357 has 2 divisors, whose sum is σ = 42311734358. Its totient is φ = 42311734356.

The previous prime is 42311734291. The next prime is 42311734369. The reversal of 42311734357 is 75343711324.

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., 25869827281 + 16441907076 = 160841^2 + 128226^2 .

It is a cyclic number.

It is not a de Polignac number, because 42311734357 - 2⁷ = 42311734229 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (42311735357) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21155867178 + 21155867179.

It is an arithmetic number, because the mean of its divisors is an integer number (21155867179).

Almost surely, 2^42311734357 is an apocalyptic number.

It is an amenable number.

42311734357 is a deficient number, since it is larger than the sum of its proper divisors (1).

42311734357 is an equidigital number, since it uses as much as digits as its factorization.

42311734357 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 211680, while the sum is 40.

The spelling of 42311734357 in words is "forty-two billion, three hundred eleven million, seven hundred thirty-four thousand, three hundred fifty-seven".