7214136538831 has 2 divisors, whose sum is σ = 7214136538832. Its totient is φ = 7214136538830.

The previous prime is 7214136538781. The next prime is 7214136538879. The reversal of 7214136538831 is 1388356314127.

It is a strong prime.

It is an emirp because it is prime and its reverse (1388356314127) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 7214136538831 - 2⁹ = 7214136538319 is a prime.

It is a super-3 number, since 3×7214136538831³ (a number of 40 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (7214136538031) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3607068269415 + 3607068269416.

It is an arithmetic number, because the mean of its divisors is an integer number (3607068269416).

Almost surely, 2^{7214136538831} is an apocalyptic number.

7214136538831 is a deficient number, since it is larger than the sum of its proper divisors (1).

7214136538831 is an equidigital number, since it uses as much as digits as its factorization.

7214136538831 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2903040, while the sum is 52.

The spelling of 7214136538831 in words is "seven trillion, two hundred fourteen billion, one hundred thirty-six million, five hundred thirty-eight thousand, eight hundred thirty-one".