31134243743 has 2 divisors, whose sum is σ = 31134243744. Its totient is φ = 31134243742.

The previous prime is 31134243713. The next prime is 31134243769. The reversal of 31134243743 is 34734243113.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 31134243743 - 2²⁰ = 31133195167 is a prime.

It is a super-2 number, since 2×31134243743² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (31134243703) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15567121871 + 15567121872.

It is an arithmetic number, because the mean of its divisors is an integer number (15567121872).

Almost surely, 2^31134243743 is an apocalyptic number.

31134243743 is a deficient number, since it is larger than the sum of its proper divisors (1).

31134243743 is an equidigital number, since it uses as much as digits as its factorization.

31134243743 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 72576, while the sum is 35.

Adding to 31134243743 its reverse (34734243113), we get a palindrome (65868486856).

The spelling of 31134243743 in words is "thirty-one billion, one hundred thirty-four million, two hundred forty-three thousand, seven hundred forty-three".