2471388326831 has 2 divisors, whose sum is σ = 2471388326832. Its totient is φ = 2471388326830.

The previous prime is 2471388326783. The next prime is 2471388326833. The reversal of 2471388326831 is 1386238831742.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2471388326831 is a prime.

It is a super-2 number, since 2×2471388326831² (a number of 26 digits) contains 22 as substring.

It is a Sophie Germain prime.

Together with 2471388326833, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2471388326833) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1235694163415 + 1235694163416.

It is an arithmetic number, because the mean of its divisors is an integer number (1235694163416).

Almost surely, 2^{2471388326831} is an apocalyptic number.

2471388326831 is a deficient number, since it is larger than the sum of its proper divisors (1).

2471388326831 is an equidigital number, since it uses as much as digits as its factorization.

2471388326831 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 9289728, while the sum is 56.

The spelling of 2471388326831 in words is "two trillion, four hundred seventy-one billion, three hundred eighty-eight million, three hundred twenty-six thousand, eight hundred thirty-one".