42002310997 has 2 divisors, whose sum is σ = 42002310998. Its totient is φ = 42002310996.

The previous prime is 42002310983. The next prime is 42002311019. The reversal of 42002310997 is 79901320024.

42002310997 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 27108305316 + 14894005681 = 164646^2 + 122041^2 .

It is a cyclic number.

It is not a de Polignac number, because 42002310997 - 2¹⁵ = 42002278229 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (42002310797) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21001155498 + 21001155499.

It is an arithmetic number, because the mean of its divisors is an integer number (21001155499).

Almost surely, 2^42002310997 is an apocalyptic number.

It is an amenable number.

42002310997 is a deficient number, since it is larger than the sum of its proper divisors (1).

42002310997 is an equidigital number, since it uses as much as digits as its factorization.

42002310997 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 27216, while the sum is 37.

The spelling of 42002310997 in words is "forty-two billion, two million, three hundred ten thousand, nine hundred ninety-seven".