6342531731 has 2 divisors, whose sum is σ = 6342531732. Its totient is φ = 6342531730.

The previous prime is 6342531659. The next prime is 6342531733. The reversal of 6342531731 is 1371352436.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 6342531731 - 2¹⁰ = 6342530707 is a prime.

It is a super-2 number, since 2×6342531731² = 80455417517483712722, which contains 22 as substring.

It is a Sophie Germain prime.

Together with 6342531733, it forms a pair of twin primes.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 6342531691 and 6342531700.

It is not a weakly prime, because it can be changed into another prime (6342531733) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3171265865 + 3171265866.

It is an arithmetic number, because the mean of its divisors is an integer number (3171265866).

Almost surely, 2^6342531731 is an apocalyptic number.

6342531731 is a deficient number, since it is larger than the sum of its proper divisors (1).

6342531731 is an equidigital number, since it uses as much as digits as its factorization.

6342531731 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 45360, while the sum is 35.

The square root of 6342531731 is about 79640.0133789542. The cubic root of 6342531731 is about 1851.0616483481.

The spelling of 6342531731 in words is "six billion, three hundred forty-two million, five hundred thirty-one thousand, seven hundred thirty-one".