31423422432427 has 2 divisors, whose sum is σ = 31423422432428. Its totient is φ = 31423422432426.

The previous prime is 31423422432277. The next prime is 31423422432439. The reversal of 31423422432427 is 72423422432413.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 31423422432427 - 2¹⁵ = 31423422399659 is a prime.

It is a super-2 number, since 2×31423422432427² (a number of 28 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (31423422412427) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15711711216213 + 15711711216214.

It is an arithmetic number, because the mean of its divisors is an integer number (15711711216214).

Almost surely, 2^{31423422432427} is an apocalyptic number.

31423422432427 is a deficient number, since it is larger than the sum of its proper divisors (1).

31423422432427 is an equidigital number, since it uses as much as digits as its factorization.

31423422432427 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1548288, while the sum is 43.

The spelling of 31423422432427 in words is "thirty-one trillion, four hundred twenty-three billion, four hundred twenty-two million, four hundred thirty-two thousand, four hundred twenty-seven".