31423366747 has 2 divisors, whose sum is σ = 31423366748. Its totient is φ = 31423366746.

The previous prime is 31423366727. The next prime is 31423366757. The reversal of 31423366747 is 74766332413.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 31423366747 - 2¹⁹ = 31422842459 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 31423366697 and 31423366706.

It is not a weakly prime, because it can be changed into another prime (31423366717) 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, 15711683373 + 15711683374.

It is an arithmetic number, because the mean of its divisors is an integer number (15711683374).

Almost surely, 2^31423366747 is an apocalyptic number.

31423366747 is a deficient number, since it is larger than the sum of its proper divisors (1).

31423366747 is an equidigital number, since it uses as much as digits as its factorization.

31423366747 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1524096, while the sum is 46.

The spelling of 31423366747 in words is "thirty-one billion, four hundred twenty-three million, three hundred sixty-six thousand, seven hundred forty-seven".