42031010344061 has 2 divisors, whose sum is σ = 42031010344062. Its totient is φ = 42031010344060.

The previous prime is 42031010344039. The next prime is 42031010344069. The reversal of 42031010344061 is 16044301013024.

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., 40367152855225 + 1663857488836 = 6353515^2 + 1289906^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-42031010344061 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (42031010344069) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21015505172030 + 21015505172031.

It is an arithmetic number, because the mean of its divisors is an integer number (21015505172031).

Almost surely, 2^{42031010344061} is an apocalyptic number.

It is an amenable number.

42031010344061 is a deficient number, since it is larger than the sum of its proper divisors (1).

42031010344061 is an equidigital number, since it uses as much as digits as its factorization.

42031010344061 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 6912, while the sum is 29.

Adding to 42031010344061 its reverse (16044301013024), we get a palindrome (58075311357085).

The spelling of 42031010344061 in words is "forty-two trillion, thirty-one billion, ten million, three hundred forty-four thousand, sixty-one".