31134324047 has 2 divisors, whose sum is σ = 31134324048. Its totient is φ = 31134324046.

The previous prime is 31134324031. The next prime is 31134324079. The reversal of 31134324047 is 74042343113.

It is a happy number.

It is an a-pointer prime, because the next prime (31134324079) can be obtained adding 31134324047 to its sum of digits (32).

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 31134324047 - 2⁴ = 31134324031 is a prime.

It is a super-2 number, since 2×31134324047² (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 (31134324007) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15567162023 + 15567162024.

It is an arithmetic number, because the mean of its divisors is an integer number (15567162024).

Almost surely, 2^31134324047 is an apocalyptic number.

31134324047 is a deficient number, since it is larger than the sum of its proper divisors (1).

31134324047 is an equidigital number, since it uses as much as digits as its factorization.

31134324047 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 24192, while the sum is 32.

The spelling of 31134324047 in words is "thirty-one billion, one hundred thirty-four million, three hundred twenty-four thousand, forty-seven".