31434142238243 has 2 divisors, whose sum is σ = 31434142238244. Its totient is φ = 31434142238242.

The previous prime is 31434142238209. The next prime is 31434142238263. The reversal of 31434142238243 is 34283224143413.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 31434142238243 - 2¹⁸ = 31434141976099 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 31434142238194 and 31434142238203.

It is not a weakly prime, because it can be changed into another prime (31434142238263) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15717071119121 + 15717071119122.

It is an arithmetic number, because the mean of its divisors is an integer number (15717071119122).

Almost surely, 2^{31434142238243} is an apocalyptic number.

31434142238243 is a deficient number, since it is larger than the sum of its proper divisors (1).

31434142238243 is an equidigital number, since it uses as much as digits as its factorization.

31434142238243 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1327104, while the sum is 44.

The spelling of 31434142238243 in words is "thirty-one trillion, four hundred thirty-four billion, one hundred forty-two million, two hundred thirty-eight thousand, two hundred forty-three".