42603793031 has 2 divisors, whose sum is σ = 42603793032. Its totient is φ = 42603793030.

The previous prime is 42603793027. The next prime is 42603793061. The reversal of 42603793031 is 13039730624.

42603793031 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 is a cyclic number.

It is not a de Polignac number, because 42603793031 - 2² = 42603793027 is a prime.

It is a super-2 number, since 2×42603793031² (a number of 22 digits) contains 22 as substring.

It is a Sophie Germain prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (42603793061) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21301896515 + 21301896516.

It is an arithmetic number, because the mean of its divisors is an integer number (21301896516).

Almost surely, 2^42603793031 is an apocalyptic number.

42603793031 is a deficient number, since it is larger than the sum of its proper divisors (1).

42603793031 is an equidigital number, since it uses as much as digits as its factorization.

42603793031 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 81648, while the sum is 38.

The spelling of 42603793031 in words is "forty-two billion, six hundred three million, seven hundred ninety-three thousand, thirty-one".