6216140531371 has 2 divisors, whose sum is σ = 6216140531372. Its totient is φ = 6216140531370.

The previous prime is 6216140531323. The next prime is 6216140531383. The reversal of 6216140531371 is 1731350416126.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 6216140531371 - 2⁷ = 6216140531243 is a prime.

It is not a weakly prime, because it can be changed into another prime (6216140538371) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3108070265685 + 3108070265686.

It is an arithmetic number, because the mean of its divisors is an integer number (3108070265686).

Almost surely, 2^{6216140531371} is an apocalyptic number.

6216140531371 is a deficient number, since it is larger than the sum of its proper divisors (1).

6216140531371 is an equidigital number, since it uses as much as digits as its factorization.

6216140531371 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 90720, while the sum is 40.

Adding to 6216140531371 its reverse (1731350416126), we get a palindrome (7947490947497).

The spelling of 6216140531371 in words is "six trillion, two hundred sixteen billion, one hundred forty million, five hundred thirty-one thousand, three hundred seventy-one".