42113199631 has 2 divisors, whose sum is σ = 42113199632. Its totient is φ = 42113199630.

The previous prime is 42113199607. The next prime is 42113199637. The reversal of 42113199631 is 13699131124.

42113199631 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 42113199631 - 2²¹ = 42111102479 is a prime.

It is a super-2 number, since 2×42113199631² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (42113199637) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21056599815 + 21056599816.

It is an arithmetic number, because the mean of its divisors is an integer number (21056599816).

Almost surely, 2^42113199631 is an apocalyptic number.

42113199631 is a deficient number, since it is larger than the sum of its proper divisors (1).

42113199631 is an equidigital number, since it uses as much as digits as its factorization.

42113199631 is an evil number, because the sum of its binary digits is even.

The product of its digits is 34992, while the sum is 40.

The spelling of 42113199631 in words is "forty-two billion, one hundred thirteen million, one hundred ninety-nine thousand, six hundred thirty-one".