6131223143 has 2 divisors, whose sum is σ = 6131223144. Its totient is φ = 6131223142.

The previous prime is 6131223127. The next prime is 6131223149. The reversal of 6131223143 is 3413221316.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 6131223143 - 2⁴ = 6131223127 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (6131223149) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3065611571 + 3065611572.

It is an arithmetic number, because the mean of its divisors is an integer number (3065611572).

Almost surely, 2^6131223143 is an apocalyptic number.

6131223143 is a deficient number, since it is larger than the sum of its proper divisors (1).

6131223143 is an equidigital number, since it uses as much as digits as its factorization.

6131223143 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2592, while the sum is 26.

The square root of 6131223143 is about 78302.1273210377. The cubic root of 6131223143 is about 1830.2723019405.

Adding to 6131223143 its reverse (3413221316), we get a palindrome (9544444459).

The spelling of 6131223143 in words is "six billion, one hundred thirty-one million, two hundred twenty-three thousand, one hundred forty-three".